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-rw-r--r--fs/9p/vfs_addr.c1
-rw-r--r--fs/Kconfig.binfmt4
-rw-r--r--fs/binfmt_elf.c6
-rw-r--r--fs/block_dev.c272
-rw-r--r--fs/btrfs/disk-io.c8
-rw-r--r--fs/btrfs/extent_io.c16
-rw-r--r--fs/btrfs/inode.c11
-rw-r--r--fs/btrfs/scrub.c2
-rw-r--r--fs/btrfs/super.c26
-rw-r--r--fs/btrfs/volumes.c4
-rw-r--r--fs/btrfs/volumes.h2
-rw-r--r--fs/buffer.c26
-rw-r--r--fs/ceph/dir.c24
-rw-r--r--fs/cifs/cifsencrypt.c11
-rw-r--r--fs/cifs/cifssmb.c4
-rw-r--r--fs/cifs/connect.c26
-rw-r--r--fs/cifs/transport.c1
-rw-r--r--fs/dax.c10
-rw-r--r--fs/direct-io.c4
-rw-r--r--fs/dlm/netlink.c16
-rw-r--r--fs/exec.c2
-rw-r--r--fs/ext4/mmp.c6
-rw-r--r--fs/ext4/page-io.c2
-rw-r--r--fs/ext4/super.c2
-rw-r--r--fs/f2fs/checkpoint.c4
-rw-r--r--fs/f2fs/data.c16
-rw-r--r--fs/f2fs/f2fs.h2
-rw-r--r--fs/f2fs/gc.c6
-rw-r--r--fs/f2fs/inline.c2
-rw-r--r--fs/f2fs/node.c4
-rw-r--r--fs/f2fs/segment.c8
-rw-r--r--fs/f2fs/super.c2
-rw-r--r--fs/fs-writeback.c16
-rw-r--r--fs/fuse/dir.c7
-rw-r--r--fs/gfs2/dir.c1
-rw-r--r--fs/gfs2/log.c4
-rw-r--r--fs/gfs2/lops.c2
-rw-r--r--fs/gfs2/meta_io.c7
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/hfsplus/super.c4
-rw-r--r--fs/isofs/compress.c1
-rw-r--r--fs/isofs/rock.c4
-rw-r--r--fs/jbd2/checkpoint.c2
-rw-r--r--fs/jbd2/commit.c9
-rw-r--r--fs/jbd2/journal.c15
-rw-r--r--fs/jbd2/revoke.c2
-rw-r--r--fs/jfs/jfs_logmgr.c4
-rw-r--r--fs/lockd/netns.h2
-rw-r--r--fs/lockd/svc.c2
-rw-r--r--fs/logfs/dev_bdev.c106
-rw-r--r--fs/mpage.c6
-rw-r--r--fs/nfs/inode.c2
-rw-r--r--fs/nfs/netns.h2
-rw-r--r--fs/nfs_common/grace.c2
-rw-r--r--fs/nfsd/netns.h2
-rw-r--r--fs/nfsd/nfsctl.c2
-rw-r--r--fs/nilfs2/super.c2
-rw-r--r--fs/nsfs.c2
-rw-r--r--fs/ntfs/aops.c1
-rw-r--r--fs/ntfs/logfile.c1
-rw-r--r--fs/ntfs/mft.c1
-rw-r--r--fs/ocfs2/aops.c7
-rw-r--r--fs/ocfs2/aops.h3
-rw-r--r--fs/ocfs2/buffer_head_io.c1
-rw-r--r--fs/ocfs2/cluster/heartbeat.c4
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c11
-rw-r--r--fs/ocfs2/dlm/dlmrecovery.c2
-rw-r--r--fs/ocfs2/inode.c2
-rw-r--r--fs/ocfs2/journal.c4
-rw-r--r--fs/ocfs2/mmap.c3
-rw-r--r--fs/ocfs2/namei.c6
-rw-r--r--fs/ocfs2/ocfs2.h2
-rw-r--r--fs/ocfs2/refcounttree.c1
-rw-r--r--fs/ocfs2/super.c2
-rw-r--r--fs/orangefs/inode.c1
-rw-r--r--fs/overlayfs/super.c6
-rw-r--r--fs/proc/array.c7
-rw-r--r--fs/proc/base.c31
-rw-r--r--fs/proc/inode.c37
-rw-r--r--fs/proc/internal.h3
-rw-r--r--fs/proc/root.c1
-rw-r--r--fs/proc/task_mmu.c1
-rw-r--r--fs/pstore/Kconfig2
-rw-r--r--fs/pstore/ftrace.c11
-rw-r--r--fs/pstore/inode.c15
-rw-r--r--fs/pstore/internal.h34
-rw-r--r--fs/pstore/platform.c5
-rw-r--r--fs/pstore/ram.c327
-rw-r--r--fs/pstore/ram_core.c27
-rw-r--r--fs/quota/netlink.c10
-rw-r--r--fs/reiserfs/inode.c1
-rw-r--r--fs/reiserfs/journal.c6
-rw-r--r--fs/reiserfs/stree.c1
-rw-r--r--fs/splice.c1
-rw-r--r--fs/squashfs/block.c1
-rw-r--r--fs/udf/dir.c1
-rw-r--r--fs/udf/directory.c1
-rw-r--r--fs/udf/inode.c1
-rw-r--r--fs/ufs/balloc.c1
-rw-r--r--fs/xfs/xfs_aops.c7
-rw-r--r--fs/xfs/xfs_buf.c2
101 files changed, 887 insertions, 445 deletions
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 6181ad79e1a5..5ca1fb0043f6 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -34,6 +34,7 @@
#include <linux/idr.h>
#include <linux/sched.h>
#include <linux/uio.h>
+#include <linux/bvec.h>
#include <net/9p/9p.h>
#include <net/9p/client.h>
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 4c09d93d9569..b2f82cf6bf86 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -170,8 +170,8 @@ config BINFMT_MISC
You can do other nice things, too. Read the file
<file:Documentation/binfmt_misc.txt> to learn how to use this
- feature, <file:Documentation/java.txt> for information about how
- to include Java support. and <file:Documentation/mono.txt> for
+ feature, <file:Documentation/admin-guide/java.rst> for information about how
+ to include Java support. and <file:Documentation/admin-guide/mono.rst> for
information about how to include Mono-based .NET support.
To use binfmt_misc, you will need to mount it:
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 2472af2798c7..e6c1bd443806 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2204,7 +2204,9 @@ static int elf_core_dump(struct coredump_params *cprm)
dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
- vma_filesz = kmalloc_array(segs - 1, sizeof(*vma_filesz), GFP_KERNEL);
+ if (segs - 1 > ULONG_MAX / sizeof(*vma_filesz))
+ goto end_coredump;
+ vma_filesz = vmalloc((segs - 1) * sizeof(*vma_filesz));
if (!vma_filesz)
goto end_coredump;
@@ -2311,7 +2313,7 @@ end_coredump:
cleanup:
free_note_info(&info);
kfree(shdr4extnum);
- kfree(vma_filesz);
+ vfree(vma_filesz);
kfree(phdr4note);
kfree(elf);
out:
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 05b553368bb4..95acbd2ebc5d 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -30,6 +30,7 @@
#include <linux/cleancache.h>
#include <linux/dax.h>
#include <linux/badblocks.h>
+#include <linux/task_io_accounting_ops.h>
#include <linux/falloc.h>
#include <asm/uaccess.h>
#include "internal.h"
@@ -175,17 +176,273 @@ static struct inode *bdev_file_inode(struct file *file)
return file->f_mapping->host;
}
+static unsigned int dio_bio_write_op(struct kiocb *iocb)
+{
+ unsigned int op = REQ_OP_WRITE | REQ_SYNC | REQ_IDLE;
+
+ /* avoid the need for a I/O completion work item */
+ if (iocb->ki_flags & IOCB_DSYNC)
+ op |= REQ_FUA;
+ return op;
+}
+
+#define DIO_INLINE_BIO_VECS 4
+
+static void blkdev_bio_end_io_simple(struct bio *bio)
+{
+ struct task_struct *waiter = bio->bi_private;
+
+ WRITE_ONCE(bio->bi_private, NULL);
+ wake_up_process(waiter);
+}
+
static ssize_t
-blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
+__blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
+ int nr_pages)
+{
+ struct file *file = iocb->ki_filp;
+ struct block_device *bdev = I_BDEV(bdev_file_inode(file));
+ struct bio_vec inline_vecs[DIO_INLINE_BIO_VECS], *vecs, *bvec;
+ loff_t pos = iocb->ki_pos;
+ bool should_dirty = false;
+ struct bio bio;
+ ssize_t ret;
+ blk_qc_t qc;
+ int i;
+
+ if ((pos | iov_iter_alignment(iter)) &
+ (bdev_logical_block_size(bdev) - 1))
+ return -EINVAL;
+
+ if (nr_pages <= DIO_INLINE_BIO_VECS)
+ vecs = inline_vecs;
+ else {
+ vecs = kmalloc(nr_pages * sizeof(struct bio_vec), GFP_KERNEL);
+ if (!vecs)
+ return -ENOMEM;
+ }
+
+ bio_init(&bio, vecs, nr_pages);
+ bio.bi_bdev = bdev;
+ bio.bi_iter.bi_sector = pos >> 9;
+ bio.bi_private = current;
+ bio.bi_end_io = blkdev_bio_end_io_simple;
+
+ ret = bio_iov_iter_get_pages(&bio, iter);
+ if (unlikely(ret))
+ return ret;
+ ret = bio.bi_iter.bi_size;
+
+ if (iov_iter_rw(iter) == READ) {
+ bio.bi_opf = REQ_OP_READ;
+ if (iter_is_iovec(iter))
+ should_dirty = true;
+ } else {
+ bio.bi_opf = dio_bio_write_op(iocb);
+ task_io_account_write(ret);
+ }
+
+ qc = submit_bio(&bio);
+ for (;;) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ if (!READ_ONCE(bio.bi_private))
+ break;
+ if (!(iocb->ki_flags & IOCB_HIPRI) ||
+ !blk_mq_poll(bdev_get_queue(bdev), qc))
+ io_schedule();
+ }
+ __set_current_state(TASK_RUNNING);
+
+ bio_for_each_segment_all(bvec, &bio, i) {
+ if (should_dirty && !PageCompound(bvec->bv_page))
+ set_page_dirty_lock(bvec->bv_page);
+ put_page(bvec->bv_page);
+ }
+
+ if (vecs != inline_vecs)
+ kfree(vecs);
+
+ if (unlikely(bio.bi_error))
+ return bio.bi_error;
+ iocb->ki_pos += ret;
+ return ret;
+}
+
+struct blkdev_dio {
+ union {
+ struct kiocb *iocb;
+ struct task_struct *waiter;
+ };
+ size_t size;
+ atomic_t ref;
+ bool multi_bio : 1;
+ bool should_dirty : 1;
+ bool is_sync : 1;
+ struct bio bio;
+};
+
+static struct bio_set *blkdev_dio_pool __read_mostly;
+
+static void blkdev_bio_end_io(struct bio *bio)
+{
+ struct blkdev_dio *dio = bio->bi_private;
+ bool should_dirty = dio->should_dirty;
+
+ if (dio->multi_bio && !atomic_dec_and_test(&dio->ref)) {
+ if (bio->bi_error && !dio->bio.bi_error)
+ dio->bio.bi_error = bio->bi_error;
+ } else {
+ if (!dio->is_sync) {
+ struct kiocb *iocb = dio->iocb;
+ ssize_t ret = dio->bio.bi_error;
+
+ if (likely(!ret)) {
+ ret = dio->size;
+ iocb->ki_pos += ret;
+ }
+
+ dio->iocb->ki_complete(iocb, ret, 0);
+ bio_put(&dio->bio);
+ } else {
+ struct task_struct *waiter = dio->waiter;
+
+ WRITE_ONCE(dio->waiter, NULL);
+ wake_up_process(waiter);
+ }
+ }
+
+ if (should_dirty) {
+ bio_check_pages_dirty(bio);
+ } else {
+ struct bio_vec *bvec;
+ int i;
+
+ bio_for_each_segment_all(bvec, bio, i)
+ put_page(bvec->bv_page);
+ bio_put(bio);
+ }
+}
+
+static ssize_t
+__blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
{
struct file *file = iocb->ki_filp;
struct inode *inode = bdev_file_inode(file);
+ struct block_device *bdev = I_BDEV(inode);
+ struct blkdev_dio *dio;
+ struct bio *bio;
+ bool is_read = (iov_iter_rw(iter) == READ);
+ loff_t pos = iocb->ki_pos;
+ blk_qc_t qc = BLK_QC_T_NONE;
+ int ret;
+
+ if ((pos | iov_iter_alignment(iter)) &
+ (bdev_logical_block_size(bdev) - 1))
+ return -EINVAL;
+
+ bio = bio_alloc_bioset(GFP_KERNEL, nr_pages, blkdev_dio_pool);
+ bio_get(bio); /* extra ref for the completion handler */
+
+ dio = container_of(bio, struct blkdev_dio, bio);
+ dio->is_sync = is_sync_kiocb(iocb);
+ if (dio->is_sync)
+ dio->waiter = current;
+ else
+ dio->iocb = iocb;
+
+ dio->size = 0;
+ dio->multi_bio = false;
+ dio->should_dirty = is_read && (iter->type == ITER_IOVEC);
+
+ for (;;) {
+ bio->bi_bdev = bdev;
+ bio->bi_iter.bi_sector = pos >> 9;
+ bio->bi_private = dio;
+ bio->bi_end_io = blkdev_bio_end_io;
+
+ ret = bio_iov_iter_get_pages(bio, iter);
+ if (unlikely(ret)) {
+ bio->bi_error = ret;
+ bio_endio(bio);
+ break;
+ }
+
+ if (is_read) {
+ bio->bi_opf = REQ_OP_READ;
+ if (dio->should_dirty)
+ bio_set_pages_dirty(bio);
+ } else {
+ bio->bi_opf = dio_bio_write_op(iocb);
+ task_io_account_write(bio->bi_iter.bi_size);
+ }
+
+ dio->size += bio->bi_iter.bi_size;
+ pos += bio->bi_iter.bi_size;
+
+ nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES);
+ if (!nr_pages) {
+ qc = submit_bio(bio);
+ break;
+ }
+
+ if (!dio->multi_bio) {
+ dio->multi_bio = true;
+ atomic_set(&dio->ref, 2);
+ } else {
+ atomic_inc(&dio->ref);
+ }
- return __blockdev_direct_IO(iocb, inode, I_BDEV(inode), iter,
- blkdev_get_block, NULL, NULL,
- DIO_SKIP_DIO_COUNT);
+ submit_bio(bio);
+ bio = bio_alloc(GFP_KERNEL, nr_pages);
+ }
+
+ if (!dio->is_sync)
+ return -EIOCBQUEUED;
+
+ for (;;) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ if (!READ_ONCE(dio->waiter))
+ break;
+
+ if (!(iocb->ki_flags & IOCB_HIPRI) ||
+ !blk_mq_poll(bdev_get_queue(bdev), qc))
+ io_schedule();
+ }
+ __set_current_state(TASK_RUNNING);
+
+ ret = dio->bio.bi_error;
+ if (likely(!ret)) {
+ ret = dio->size;
+ iocb->ki_pos += ret;
+ }
+
+ bio_put(&dio->bio);
+ return ret;
}
+static ssize_t
+blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
+{
+ int nr_pages;
+
+ nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES + 1);
+ if (!nr_pages)
+ return 0;
+ if (is_sync_kiocb(iocb) && nr_pages <= BIO_MAX_PAGES)
+ return __blkdev_direct_IO_simple(iocb, iter, nr_pages);
+
+ return __blkdev_direct_IO(iocb, iter, min(nr_pages, BIO_MAX_PAGES));
+}
+
+static __init int blkdev_init(void)
+{
+ blkdev_dio_pool = bioset_create(4, offsetof(struct blkdev_dio, bio));
+ if (!blkdev_dio_pool)
+ return -ENOMEM;
+ return 0;
+}
+module_init(blkdev_init);
+
int __sync_blockdev(struct block_device *bdev, int wait)
{
if (!bdev)
@@ -1950,6 +2207,7 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
spin_lock(&blockdev_superblock->s_inode_list_lock);
list_for_each_entry(inode, &blockdev_superblock->s_inodes, i_sb_list) {
struct address_space *mapping = inode->i_mapping;
+ struct block_device *bdev;
spin_lock(&inode->i_lock);
if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW) ||
@@ -1970,8 +2228,12 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
*/
iput(old_inode);
old_inode = inode;
+ bdev = I_BDEV(inode);
- func(I_BDEV(inode), arg);
+ mutex_lock(&bdev->bd_mutex);
+ if (bdev->bd_openers)
+ func(bdev, arg);
+ mutex_unlock(&bdev->bd_mutex);
spin_lock(&blockdev_superblock->s_inode_list_lock);
}
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3a57f99d96aa..fe10afd51e02 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -930,7 +930,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
atomic_inc(&fs_info->nr_async_submits);
- if (bio->bi_opf & REQ_SYNC)
+ if (op_is_sync(bio->bi_opf))
btrfs_set_work_high_priority(&async->work);
btrfs_queue_work(fs_info->workers, &async->work);
@@ -3485,9 +3485,9 @@ static int write_dev_supers(struct btrfs_device *device,
* to go down lazy.
*/
if (i == 0)
- ret = btrfsic_submit_bh(REQ_OP_WRITE, WRITE_FUA, bh);
+ ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_FUA, bh);
else
- ret = btrfsic_submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh);
+ ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
if (ret)
errors++;
}
@@ -3551,7 +3551,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait)
bio->bi_end_io = btrfs_end_empty_barrier;
bio->bi_bdev = device->bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
+ bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
init_completion(&device->flush_wait);
bio->bi_private = &device->flush_wait;
device->flush_bio = bio;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 8ed05d95584a..1e67723c27a1 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -127,7 +127,7 @@ struct extent_page_data {
*/
unsigned int extent_locked:1;
- /* tells the submit_bio code to use a WRITE_SYNC */
+ /* tells the submit_bio code to use REQ_SYNC */
unsigned int sync_io:1;
};
@@ -2047,7 +2047,7 @@ int repair_io_failure(struct inode *inode, u64 start, u64 length, u64 logical,
return -EIO;
}
bio->bi_bdev = dev->bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_SYNC);
+ bio->bi_opf = REQ_OP_WRITE | REQ_SYNC;
bio_add_page(bio, page, length, pg_offset);
if (btrfsic_submit_bio_wait(bio)) {
@@ -2388,7 +2388,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
struct inode *inode = page->mapping->host;
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
struct bio *bio;
- int read_mode;
+ int read_mode = 0;
int ret;
BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
@@ -2404,9 +2404,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
}
if (failed_bio->bi_vcnt > 1)
- read_mode = READ_SYNC | REQ_FAILFAST_DEV;
- else
- read_mode = READ_SYNC;
+ read_mode |= REQ_FAILFAST_DEV;
phy_offset >>= inode->i_sb->s_blocksize_bits;
bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,
@@ -3484,7 +3482,7 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
unsigned long nr_written = 0;
if (wbc->sync_mode == WB_SYNC_ALL)
- write_flags = WRITE_SYNC;
+ write_flags = REQ_SYNC;
trace___extent_writepage(page, inode, wbc);
@@ -3729,7 +3727,7 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb,
unsigned long i, num_pages;
unsigned long bio_flags = 0;
unsigned long start, end;
- int write_flags = (epd->sync_io ? WRITE_SYNC : 0) | REQ_META;
+ int write_flags = (epd->sync_io ? REQ_SYNC : 0) | REQ_META;
int ret = 0;
clear_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags);
@@ -4076,7 +4074,7 @@ static void flush_epd_write_bio(struct extent_page_data *epd)
int ret;
bio_set_op_attrs(epd->bio, REQ_OP_WRITE,
- epd->sync_io ? WRITE_SYNC : 0);
+ epd->sync_io ? REQ_SYNC : 0);
ret = submit_one_bio(epd->bio, 0, epd->bio_flags);
BUG_ON(ret < 0); /* -ENOMEM */
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8e3a5a266917..a4c879671b9d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7917,7 +7917,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
struct io_failure_record *failrec;
struct bio *bio;
int isector;
- int read_mode;
+ int read_mode = 0;
int ret;
BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
@@ -7936,9 +7936,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
if ((failed_bio->bi_vcnt > 1)
|| (failed_bio->bi_io_vec->bv_len
> BTRFS_I(inode)->root->sectorsize))
- read_mode = READ_SYNC | REQ_FAILFAST_DEV;
- else
- read_mode = READ_SYNC;
+ read_mode |= REQ_FAILFAST_DEV;
isector = start - btrfs_io_bio(failed_bio)->logical;
isector >>= inode->i_sb->s_blocksize_bits;
@@ -8427,7 +8425,7 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip,
if (!bio)
return -ENOMEM;
- bio_set_op_attrs(bio, bio_op(orig_bio), bio_flags(orig_bio));
+ bio->bi_opf = orig_bio->bi_opf;
bio->bi_private = dip;
bio->bi_end_io = btrfs_end_dio_bio;
btrfs_io_bio(bio)->logical = file_offset;
@@ -8465,8 +8463,7 @@ next_block:
start_sector, GFP_NOFS);
if (!bio)
goto out_err;
- bio_set_op_attrs(bio, bio_op(orig_bio),
- bio_flags(orig_bio));
+ bio->bi_opf = orig_bio->bi_opf;
bio->bi_private = dip;
bio->bi_end_io = btrfs_end_dio_bio;
btrfs_io_bio(bio)->logical = file_offset;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index fffb9ab8526e..ff3078234d94 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -4440,7 +4440,7 @@ static int write_page_nocow(struct scrub_ctx *sctx,
bio->bi_iter.bi_size = 0;
bio->bi_iter.bi_sector = physical_for_dev_replace >> 9;
bio->bi_bdev = dev->bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_SYNC);
+ bio->bi_opf = REQ_OP_WRITE | REQ_SYNC;
ret = bio_add_page(bio, page, PAGE_SIZE, 0);
if (ret != PAGE_SIZE) {
leave_with_eio:
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 74ed5aae6cea..180f910339f4 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -202,27 +202,31 @@ static struct ratelimit_state printk_limits[] = {
void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...)
{
struct super_block *sb = fs_info->sb;
- char lvl[4];
+ char lvl[PRINTK_MAX_SINGLE_HEADER_LEN + 1];
struct va_format vaf;
va_list args;
- const char *type = logtypes[4];
+ const char *type = NULL;
int kern_level;
struct ratelimit_state *ratelimit;
va_start(args, fmt);
- kern_level = printk_get_level(fmt);
- if (kern_level) {
+ while ((kern_level = printk_get_level(fmt)) != 0) {
size_t size = printk_skip_level(fmt) - fmt;
- memcpy(lvl, fmt, size);
- lvl[size] = '\0';
+
+ if (kern_level >= '0' && kern_level <= '7') {
+ memcpy(lvl, fmt, size);
+ lvl[size] = '\0';
+ type = logtypes[kern_level - '0'];
+ ratelimit = &printk_limits[kern_level - '0'];
+ }
fmt += size;
- type = logtypes[kern_level - '0'];
- ratelimit = &printk_limits[kern_level - '0'];
- } else {
+ }
+
+ if (!type) {
*lvl = '\0';
- /* Default to debug output */
- ratelimit = &printk_limits[7];
+ type = logtypes[4];
+ ratelimit = &printk_limits[4];
}
vaf.fmt = fmt;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 71a60cc01451..0d7d635d8bfb 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6023,7 +6023,7 @@ static void btrfs_end_bio(struct bio *bio)
else
btrfs_dev_stat_inc(dev,
BTRFS_DEV_STAT_READ_ERRS);
- if ((bio->bi_opf & WRITE_FLUSH) == WRITE_FLUSH)
+ if (bio->bi_opf & REQ_PREFLUSH)
btrfs_dev_stat_inc(dev,
BTRFS_DEV_STAT_FLUSH_ERRS);
btrfs_dev_stat_print_on_error(dev);
@@ -6100,7 +6100,7 @@ static noinline void btrfs_schedule_bio(struct btrfs_root *root,
bio->bi_next = NULL;
spin_lock(&device->io_lock);
- if (bio->bi_opf & REQ_SYNC)
+ if (op_is_sync(bio->bi_opf))
pending_bios = &device->pending_sync_bios;
else
pending_bios = &device->pending_bios;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 09ed29c67848..f137ffe6654c 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -62,7 +62,7 @@ struct btrfs_device {
int running_pending;
/* regular prio bios */
struct btrfs_pending_bios pending_bios;
- /* WRITE_SYNC bios */
+ /* sync bios */
struct btrfs_pending_bios pending_sync_bios;
struct block_device *bdev;
diff --git a/fs/buffer.c b/fs/buffer.c
index b205a629001d..a3bfd57c2697 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -753,7 +753,7 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)
* still in flight on potentially older
* contents.
*/
- write_dirty_buffer(bh, WRITE_SYNC);
+ write_dirty_buffer(bh, REQ_SYNC);
/*
* Kick off IO for the previous mapping. Note
@@ -1684,7 +1684,7 @@ static struct buffer_head *create_page_buffers(struct page *page, struct inode *
* prevents this contention from occurring.
*
* If block_write_full_page() is called with wbc->sync_mode ==
- * WB_SYNC_ALL, the writes are posted using WRITE_SYNC; this
+ * WB_SYNC_ALL, the writes are posted using REQ_SYNC; this
* causes the writes to be flagged as synchronous writes.
*/
int __block_write_full_page(struct inode *inode, struct page *page,
@@ -1697,7 +1697,7 @@ int __block_write_full_page(struct inode *inode, struct page *page,
struct buffer_head *bh, *head;
unsigned int blocksize, bbits;
int nr_underway = 0;
- int write_flags = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0);
+ int write_flags = wbc_to_write_flags(wbc);
head = create_page_buffers(page, inode,
(1 << BH_Dirty)|(1 << BH_Uptodate));
@@ -3118,7 +3118,7 @@ EXPORT_SYMBOL(submit_bh);
/**
* ll_rw_block: low-level access to block devices (DEPRECATED)
* @op: whether to %READ or %WRITE
- * @op_flags: rq_flag_bits
+ * @op_flags: req_flag_bits
* @nr: number of &struct buffer_heads in the array
* @bhs: array of pointers to &struct buffer_head
*
@@ -3210,7 +3210,7 @@ EXPORT_SYMBOL(__sync_dirty_buffer);
int sync_dirty_buffer(struct buffer_head *bh)
{
- return __sync_dirty_buffer(bh, WRITE_SYNC);
+ return __sync_dirty_buffer(bh, REQ_SYNC);
}
EXPORT_SYMBOL(sync_dirty_buffer);
@@ -3403,7 +3403,7 @@ void free_buffer_head(struct buffer_head *bh)
}
EXPORT_SYMBOL(free_buffer_head);
-static void buffer_exit_cpu(int cpu)
+static int buffer_exit_cpu_dead(unsigned int cpu)
{
int i;
struct bh_lru *b = &per_cpu(bh_lrus, cpu);
@@ -3414,14 +3414,7 @@ static void buffer_exit_cpu(int cpu)
}
this_cpu_add(bh_accounting.nr, per_cpu(bh_accounting, cpu).nr);
per_cpu(bh_accounting, cpu).nr = 0;
-}
-
-static int buffer_cpu_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
-{
- if (action == CPU_DEAD || action == CPU_DEAD_FROZEN)
- buffer_exit_cpu((unsigned long)hcpu);
- return NOTIFY_OK;
+ return 0;
}
/**
@@ -3471,6 +3464,7 @@ EXPORT_SYMBOL(bh_submit_read);
void __init buffer_init(void)
{
unsigned long nrpages;
+ int ret;
bh_cachep = kmem_cache_create("buffer_head",
sizeof(struct buffer_head), 0,
@@ -3483,5 +3477,7 @@ void __init buffer_init(void)
*/
nrpages = (nr_free_buffer_pages() * 10) / 100;
max_buffer_heads = nrpages * (PAGE_SIZE / sizeof(struct buffer_head));
- hotcpu_notifier(buffer_cpu_notify, 0);
+ ret = cpuhp_setup_state_nocalls(CPUHP_FS_BUFF_DEAD, "fs/buffer:dead",
+ NULL, buffer_exit_cpu_dead);
+ WARN_ON(ret < 0);
}
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 78180d151730..a594c7879cc2 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1261,26 +1261,30 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
return -ECHILD;
op = ceph_snap(dir) == CEPH_SNAPDIR ?
- CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_LOOKUP;
+ CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_GETATTR;
req = ceph_mdsc_create_request(mdsc, op, USE_ANY_MDS);
if (!IS_ERR(req)) {
req->r_dentry = dget(dentry);
- req->r_num_caps = 2;
+ req->r_num_caps = op == CEPH_MDS_OP_GETATTR ? 1 : 2;
mask = CEPH_STAT_CAP_INODE | CEPH_CAP_AUTH_SHARED;
if (ceph_security_xattr_wanted(dir))
mask |= CEPH_CAP_XATTR_SHARED;
req->r_args.getattr.mask = mask;
- req->r_locked_dir = dir;
err = ceph_mdsc_do_request(mdsc, NULL, req);
- if (err == 0 || err == -ENOENT) {
- if (dentry == req->r_dentry) {
- valid = !d_unhashed(dentry);
- } else {
- d_invalidate(req->r_dentry);
- err = -EAGAIN;
- }
+ switch (err) {
+ case 0:
+ if (d_really_is_positive(dentry) &&
+ d_inode(dentry) == req->r_target_inode)
+ valid = 1;
+ break;
+ case -ENOENT:
+ if (d_really_is_negative(dentry))
+ valid = 1;
+ /* Fallthrough */
+ default:
+ break;
}
ceph_mdsc_put_request(req);
dout("d_revalidate %p lookup result=%d\n",
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 8347c90cf483..5eb04129f938 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -808,7 +808,11 @@ calc_seckey(struct cifs_ses *ses)
struct crypto_skcipher *tfm_arc4;
struct scatterlist sgin, sgout;
struct skcipher_request *req;
- unsigned char sec_key[CIFS_SESS_KEY_SIZE]; /* a nonce */
+ unsigned char *sec_key;
+
+ sec_key = kmalloc(CIFS_SESS_KEY_SIZE, GFP_KERNEL);
+ if (sec_key == NULL)
+ return -ENOMEM;
get_random_bytes(sec_key, CIFS_SESS_KEY_SIZE);
@@ -816,7 +820,7 @@ calc_seckey(struct cifs_ses *ses)
if (IS_ERR(tfm_arc4)) {
rc = PTR_ERR(tfm_arc4);
cifs_dbg(VFS, "could not allocate crypto API arc4\n");
- return rc;
+ goto out;
}
rc = crypto_skcipher_setkey(tfm_arc4, ses->auth_key.response,
@@ -854,7 +858,8 @@ calc_seckey(struct cifs_ses *ses)
out_free_cipher:
crypto_free_skcipher(tfm_arc4);
-
+out:
+ kfree(sec_key);
return rc;
}
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 3f3185febc58..e3fed9249a04 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3427,6 +3427,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL,
__u16 rc = 0;
struct cifs_posix_acl *cifs_acl = (struct cifs_posix_acl *)parm_data;
struct posix_acl_xattr_header *local_acl = (void *)pACL;
+ struct posix_acl_xattr_entry *ace = (void *)(local_acl + 1);
int count;
int i;
@@ -3453,8 +3454,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL,
return 0;
}
for (i = 0; i < count; i++) {
- rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i],
- (struct posix_acl_xattr_entry *)(local_acl + 1));
+ rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i], &ace[i]);
if (rc != 0) {
/* ACE not converted */
break;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index aab5227979e2..f7563c88c917 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -41,6 +41,7 @@
#include <keys/user-type.h>
#include <net/ipv6.h>
#include <linux/parser.h>
+#include <linux/bvec.h>
#include "cifspdu.h"
#include "cifsglob.h"
@@ -412,6 +413,9 @@ cifs_reconnect(struct TCP_Server_Info *server)
}
} while (server->tcpStatus == CifsNeedReconnect);
+ if (server->tcpStatus == CifsNeedNegotiate)
+ mod_delayed_work(cifsiod_wq, &server->echo, 0);
+
return rc;
}
@@ -421,17 +425,25 @@ cifs_echo_request(struct work_struct *work)
int rc;
struct TCP_Server_Info *server = container_of(work,
struct TCP_Server_Info, echo.work);
- unsigned long echo_interval = server->echo_interval;
+ unsigned long echo_interval;
+
+ /*
+ * If we need to renegotiate, set echo interval to zero to
+ * immediately call echo service where we can renegotiate.
+ */
+ if (server->tcpStatus == CifsNeedNegotiate)
+ echo_interval = 0;
+ else
+ echo_interval = server->echo_interval;
/*
- * We cannot send an echo if it is disabled or until the
- * NEGOTIATE_PROTOCOL request is done, which is indicated by
- * server->ops->need_neg() == true. Also, no need to ping if
- * we got a response recently.
+ * We cannot send an echo if it is disabled.
+ * Also, no need to ping if we got a response recently.
*/
if (server->tcpStatus == CifsNeedReconnect ||
- server->tcpStatus == CifsExiting || server->tcpStatus == CifsNew ||
+ server->tcpStatus == CifsExiting ||
+ server->tcpStatus == CifsNew ||
(server->ops->can_echo && !server->ops->can_echo(server)) ||
time_before(jiffies, server->lstrp + echo_interval - HZ))
goto requeue_echo;
@@ -442,7 +454,7 @@ cifs_echo_request(struct work_struct *work)
server->hostname);
requeue_echo:
- queue_delayed_work(cifsiod_wq, &server->echo, echo_interval);
+ queue_delayed_work(cifsiod_wq, &server->echo, server->echo_interval);
}
static bool
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 206a597b2293..5f02edc819af 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -28,6 +28,7 @@
#include <linux/delay.h>
#include <linux/freezer.h>
#include <linux/tcp.h>
+#include <linux/bvec.h>
#include <linux/highmem.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
diff --git a/fs/dax.c b/fs/dax.c
index 014defd2e744..6916ed37d463 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -342,7 +342,7 @@ static inline void *lock_slot(struct address_space *mapping, void **slot)
radix_tree_deref_slot_protected(slot, &mapping->tree_lock);
entry |= RADIX_DAX_ENTRY_LOCK;
- radix_tree_replace_slot(slot, (void *)entry);
+ radix_tree_replace_slot(&mapping->page_tree, slot, (void *)entry);
return (void *)entry;
}
@@ -356,7 +356,7 @@ static inline void *unlock_slot(struct address_space *mapping, void **slot)
radix_tree_deref_slot_protected(slot, &mapping->tree_lock);
entry &= ~(unsigned long)RADIX_DAX_ENTRY_LOCK;
- radix_tree_replace_slot(slot, (void *)entry);
+ radix_tree_replace_slot(&mapping->page_tree, slot, (void *)entry);
return (void *)entry;
}
@@ -643,12 +643,14 @@ static void *dax_insert_mapping_entry(struct address_space *mapping,
}
mapping->nrexceptional++;
} else {
+ struct radix_tree_node *node;
void **slot;
void *ret;
- ret = __radix_tree_lookup(page_tree, index, NULL, &slot);
+ ret = __radix_tree_lookup(page_tree, index, &node, &slot);
WARN_ON_ONCE(ret != entry);
- radix_tree_replace_slot(slot, new_entry);
+ __radix_tree_replace(page_tree, node, slot,
+ new_entry, NULL, NULL);
}
if (vmf->flags & FAULT_FLAG_WRITE)
radix_tree_tag_set(page_tree, index, PAGECACHE_TAG_DIRTY);
diff --git a/fs/direct-io.c b/fs/direct-io.c
index fb9aa16a7727..835e23a4ee4b 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -457,7 +457,7 @@ static struct bio *dio_await_one(struct dio *dio)
dio->waiter = current;
spin_unlock_irqrestore(&dio->bio_lock, flags);
if (!(dio->iocb->ki_flags & IOCB_HIPRI) ||
- !blk_poll(bdev_get_queue(dio->bio_bdev), dio->bio_cookie))
+ !blk_mq_poll(bdev_get_queue(dio->bio_bdev), dio->bio_cookie))
io_schedule();
/* wake up sets us TASK_RUNNING */
spin_lock_irqsave(&dio->bio_lock, flags);
@@ -1209,7 +1209,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
dio->inode = inode;
if (iov_iter_rw(iter) == WRITE) {
dio->op = REQ_OP_WRITE;
- dio->op_flags = WRITE_ODIRECT;
+ dio->op_flags = REQ_SYNC | REQ_IDLE;
} else {
dio->op = REQ_OP_READ;
}
diff --git a/fs/dlm/netlink.c b/fs/dlm/netlink.c
index 1e6e227134d7..0643ae44f342 100644
--- a/fs/dlm/netlink.c
+++ b/fs/dlm/netlink.c
@@ -16,11 +16,7 @@
static uint32_t dlm_nl_seqnum;
static uint32_t listener_nlportid;
-static struct genl_family family = {
- .id = GENL_ID_GENERATE,
- .name = DLM_GENL_NAME,
- .version = DLM_GENL_VERSION,
-};
+static struct genl_family family;
static int prepare_data(u8 cmd, struct sk_buff **skbp, size_t size)
{
@@ -76,9 +72,17 @@ static struct genl_ops dlm_nl_ops[] = {
},
};
+static struct genl_family family __ro_after_init = {
+ .name = DLM_GENL_NAME,
+ .version = DLM_GENL_VERSION,
+ .ops = dlm_nl_ops,
+ .n_ops = ARRAY_SIZE(dlm_nl_ops),
+ .module = THIS_MODULE,
+};
+
int __init dlm_netlink_init(void)
{
- return genl_register_family_with_ops(&family, dlm_nl_ops);
+ return genl_register_family(&family);
}
void dlm_netlink_exit(void)
diff --git a/fs/exec.c b/fs/exec.c
index 4e497b9ee71e..923c57d96899 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1169,8 +1169,10 @@ no_thread_group:
/* we have changed execution domain */
tsk->exit_signal = SIGCHLD;
+#ifdef CONFIG_POSIX_TIMERS
exit_itimers(sig);
flush_itimer_signals();
+#endif
if (atomic_read(&oldsighand->count) != 1) {
struct sighand_struct *newsighand;
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index d89754ef1aab..eb9835638680 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -35,7 +35,7 @@ static void ext4_mmp_csum_set(struct super_block *sb, struct mmp_struct *mmp)
}
/*
- * Write the MMP block using WRITE_SYNC to try to get the block on-disk
+ * Write the MMP block using REQ_SYNC to try to get the block on-disk
* faster.
*/
static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
@@ -52,7 +52,7 @@ static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
lock_buffer(bh);
bh->b_end_io = end_buffer_write_sync;
get_bh(bh);
- submit_bh(REQ_OP_WRITE, WRITE_SYNC | REQ_META | REQ_PRIO, bh);
+ submit_bh(REQ_OP_WRITE, REQ_SYNC | REQ_META | REQ_PRIO, bh);
wait_on_buffer(bh);
sb_end_write(sb);
if (unlikely(!buffer_uptodate(bh)))
@@ -88,7 +88,7 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh,
get_bh(*bh);
lock_buffer(*bh);
(*bh)->b_end_io = end_buffer_read_sync;
- submit_bh(REQ_OP_READ, READ_SYNC | REQ_META | REQ_PRIO, *bh);
+ submit_bh(REQ_OP_READ, REQ_META | REQ_PRIO, *bh);
wait_on_buffer(*bh);
if (!buffer_uptodate(*bh)) {
ret = -EIO;
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 0094923e5ebf..e0b3b54cdef3 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -340,7 +340,7 @@ void ext4_io_submit(struct ext4_io_submit *io)
if (bio) {
int io_op_flags = io->io_wbc->sync_mode == WB_SYNC_ALL ?
- WRITE_SYNC : 0;
+ REQ_SYNC : 0;
bio_set_op_attrs(io->io_bio, REQ_OP_WRITE, io_op_flags);
submit_bio(io->io_bio);
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 52b0530c5d65..caa4147cda47 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4569,7 +4569,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
unlock_buffer(sbh);
if (sync) {
error = __sync_dirty_buffer(sbh,
- test_opt(sb, BARRIER) ? WRITE_FUA : WRITE_SYNC);
+ test_opt(sb, BARRIER) ? REQ_FUA : REQ_SYNC);
if (error)
return error;
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 7e9b504bd8b2..d935c06a84f0 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -65,7 +65,7 @@ static struct page *__get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index,
.sbi = sbi,
.type = META,
.op = REQ_OP_READ,
- .op_flags = READ_SYNC | REQ_META | REQ_PRIO,
+ .op_flags = REQ_META | REQ_PRIO,
.old_blkaddr = index,
.new_blkaddr = index,
.encrypted_page = NULL,
@@ -160,7 +160,7 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
.sbi = sbi,
.type = META,
.op = REQ_OP_READ,
- .op_flags = sync ? (READ_SYNC | REQ_META | REQ_PRIO) : REQ_RAHEAD,
+ .op_flags = sync ? (REQ_META | REQ_PRIO) : REQ_RAHEAD,
.encrypted_page = NULL,
};
struct blk_plug plug;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 9ae194fd2fdb..9e5561fa4cb6 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -198,11 +198,9 @@ static void __f2fs_submit_merged_bio(struct f2fs_sb_info *sbi,
if (type >= META_FLUSH) {
io->fio.type = META_FLUSH;
io->fio.op = REQ_OP_WRITE;
- if (test_opt(sbi, NOBARRIER))
- io->fio.op_flags = WRITE_FLUSH | REQ_META | REQ_PRIO;
- else
- io->fio.op_flags = WRITE_FLUSH_FUA | REQ_META |
- REQ_PRIO;
+ io->fio.op_flags = REQ_PREFLUSH | REQ_META | REQ_PRIO;
+ if (!test_opt(sbi, NOBARRIER))
+ io->fio.op_flags |= REQ_FUA;
}
__submit_merged_bio(io);
out:
@@ -483,7 +481,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index)
return page;
f2fs_put_page(page, 0);
- page = get_read_data_page(inode, index, READ_SYNC, false);
+ page = get_read_data_page(inode, index, 0, false);
if (IS_ERR(page))
return page;
@@ -509,7 +507,7 @@ struct page *get_lock_data_page(struct inode *inode, pgoff_t index,
struct address_space *mapping = inode->i_mapping;
struct page *page;
repeat:
- page = get_read_data_page(inode, index, READ_SYNC, for_write);
+ page = get_read_data_page(inode, index, 0, for_write);
if (IS_ERR(page))
return page;
@@ -1251,7 +1249,7 @@ static int f2fs_write_data_page(struct page *page,
.sbi = sbi,
.type = DATA,
.op = REQ_OP_WRITE,
- .op_flags = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0,
+ .op_flags = wbc_to_write_flags(wbc),
.page = page,
.encrypted_page = NULL,
};
@@ -1663,7 +1661,7 @@ repeat:
err = PTR_ERR(bio);
goto fail;
}
- bio_set_op_attrs(bio, REQ_OP_READ, READ_SYNC);
+ bio->bi_opf = REQ_OP_READ;
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
bio_put(bio);
err = -EFAULT;
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9e8de18a168a..2cf4f7f09e32 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -688,7 +688,7 @@ struct f2fs_io_info {
struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */
enum page_type type; /* contains DATA/NODE/META/META_FLUSH */
int op; /* contains REQ_OP_ */
- int op_flags; /* rq_flag_bits */
+ int op_flags; /* req_flag_bits */
block_t new_blkaddr; /* new block address to be written */
block_t old_blkaddr; /* old block address before Cow */
struct page *page; /* page to be written */
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 6f14ee923acd..fcca12b97a2a 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -550,7 +550,7 @@ static void move_encrypted_block(struct inode *inode, block_t bidx)
.sbi = F2FS_I_SB(inode),
.type = DATA,
.op = REQ_OP_READ,
- .op_flags = READ_SYNC,
+ .op_flags = 0,
.encrypted_page = NULL,
};
struct dnode_of_data dn;
@@ -625,7 +625,7 @@ static void move_encrypted_block(struct inode *inode, block_t bidx)
f2fs_wait_on_page_writeback(dn.node_page, NODE, true);
fio.op = REQ_OP_WRITE;
- fio.op_flags = WRITE_SYNC;
+ fio.op_flags = REQ_SYNC;
fio.new_blkaddr = newaddr;
f2fs_submit_page_mbio(&fio);
@@ -663,7 +663,7 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type)
.sbi = F2FS_I_SB(inode),
.type = DATA,
.op = REQ_OP_WRITE,
- .op_flags = WRITE_SYNC,
+ .op_flags = REQ_SYNC,
.page = page,
.encrypted_page = NULL,
};
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 5f1a67f756af..2e7f54c191b4 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -111,7 +111,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
.sbi = F2FS_I_SB(dn->inode),
.type = DATA,
.op = REQ_OP_WRITE,
- .op_flags = WRITE_SYNC | REQ_PRIO,
+ .op_flags = REQ_SYNC | REQ_PRIO,
.page = page,
.encrypted_page = NULL,
};
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 01177ecdeab8..d1e29deb4598 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1134,7 +1134,7 @@ repeat:
if (!page)
return ERR_PTR(-ENOMEM);
- err = read_node_page(page, READ_SYNC);
+ err = read_node_page(page, 0);
if (err < 0) {
f2fs_put_page(page, 1);
return ERR_PTR(err);
@@ -1570,7 +1570,7 @@ static int f2fs_write_node_page(struct page *page,
.sbi = sbi,
.type = NODE,
.op = REQ_OP_WRITE,
- .op_flags = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0,
+ .op_flags = wbc_to_write_flags(wbc),
.page = page,
.encrypted_page = NULL,
};
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index fc886f008449..f1b4a1775ebe 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -259,7 +259,7 @@ static int __commit_inmem_pages(struct inode *inode,
.sbi = sbi,
.type = DATA,
.op = REQ_OP_WRITE,
- .op_flags = WRITE_SYNC | REQ_PRIO,
+ .op_flags = REQ_SYNC | REQ_PRIO,
.encrypted_page = NULL,
};
bool submit_bio = false;
@@ -420,7 +420,7 @@ repeat:
fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list);
bio->bi_bdev = sbi->sb->s_bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
+ bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
ret = submit_bio_wait(bio);
llist_for_each_entry_safe(cmd, next,
@@ -454,7 +454,7 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi)
atomic_inc(&fcc->submit_flush);
bio->bi_bdev = sbi->sb->s_bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
+ bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
ret = submit_bio_wait(bio);
atomic_dec(&fcc->submit_flush);
bio_put(bio);
@@ -1515,7 +1515,7 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)
.sbi = sbi,
.type = META,
.op = REQ_OP_WRITE,
- .op_flags = WRITE_SYNC | REQ_META | REQ_PRIO,
+ .op_flags = REQ_SYNC | REQ_META | REQ_PRIO,
.old_blkaddr = page->index,
.new_blkaddr = page->index,
.page = page,
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6132b4ce4e4c..2cac6bb86080 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1238,7 +1238,7 @@ static int __f2fs_commit_super(struct buffer_head *bh,
unlock_buffer(bh);
/* it's rare case, we can do fua all the time */
- return __sync_dirty_buffer(bh, WRITE_FLUSH_FUA);
+ return __sync_dirty_buffer(bh, REQ_PREFLUSH | REQ_FUA);
}
static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 05713a5da083..ef600591d96f 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1769,15 +1769,13 @@ static long wb_writeback(struct bdi_writeback *wb,
* become available for writeback. Otherwise
* we'll just busyloop.
*/
- if (!list_empty(&wb->b_more_io)) {
- trace_writeback_wait(wb, work);
- inode = wb_inode(wb->b_more_io.prev);
- spin_lock(&inode->i_lock);
- spin_unlock(&wb->list_lock);
- /* This function drops i_lock... */
- inode_sleep_on_writeback(inode);
- spin_lock(&wb->list_lock);
- }
+ trace_writeback_wait(wb, work);
+ inode = wb_inode(wb->b_more_io.prev);
+ spin_lock(&inode->i_lock);
+ spin_unlock(&wb->list_lock);
+ /* This function drops i_lock... */
+ inode_sleep_on_writeback(inode);
+ spin_lock(&wb->list_lock);
}
spin_unlock(&wb->list_lock);
blk_finish_plug(&plug);
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index b3ebe512d64c..096f79997f75 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1739,8 +1739,6 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
* This should be done on write(), truncate() and chown().
*/
if (!fc->handle_killpriv) {
- int kill;
-
/*
* ia_mode calculation may have used stale i_mode.
* Refresh and recalculate.
@@ -1750,12 +1748,11 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr)
return ret;
attr->ia_mode = inode->i_mode;
- kill = should_remove_suid(entry);
- if (kill & ATTR_KILL_SUID) {
+ if (inode->i_mode & S_ISUID) {
attr->ia_valid |= ATTR_MODE;
attr->ia_mode &= ~S_ISUID;
}
- if (kill & ATTR_KILL_SGID) {
+ if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) {
attr->ia_valid |= ATTR_MODE;
attr->ia_mode &= ~S_ISGID;
}
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 3cdde5f5d399..79113219be5f 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -62,6 +62,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/vmalloc.h>
+#include <linux/bio.h>
#include "gfs2.h"
#include "incore.h"
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index e58ccef09c91..27c00a16def0 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -657,7 +657,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags)
struct gfs2_log_header *lh;
unsigned int tail;
u32 hash;
- int op_flags = WRITE_FLUSH_FUA | REQ_META;
+ int op_flags = REQ_PREFLUSH | REQ_FUA | REQ_META;
struct page *page = mempool_alloc(gfs2_page_pool, GFP_NOIO);
enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state);
lh = page_address(page);
@@ -682,7 +682,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags)
if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags)) {
gfs2_ordered_wait(sdp);
log_flush_wait(sdp);
- op_flags = WRITE_SYNC | REQ_META | REQ_PRIO;
+ op_flags = REQ_SYNC | REQ_META | REQ_PRIO;
}
sdp->sd_log_idle = (tail == sdp->sd_log_flush_head);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 49d5a1b61b06..b1f9144b42c7 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -231,7 +231,7 @@ static void gfs2_end_log_write(struct bio *bio)
* gfs2_log_flush_bio - Submit any pending log bio
* @sdp: The superblock
* @op: REQ_OP
- * @op_flags: rq_flag_bits
+ * @op_flags: req_flag_bits
*
* Submit any pending part-built or full bio to the block device. If
* there is no pending bio, then this is a no-op.
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 373639a59782..49db8ef13fdf 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -37,8 +37,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
{
struct buffer_head *bh, *head;
int nr_underway = 0;
- int write_flags = REQ_META | REQ_PRIO |
- (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0);
+ int write_flags = REQ_META | REQ_PRIO | wbc_to_write_flags(wbc);
BUG_ON(!PageLocked(page));
BUG_ON(!page_has_buffers(page));
@@ -285,7 +284,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
}
}
- gfs2_submit_bhs(REQ_OP_READ, READ_SYNC | REQ_META | REQ_PRIO, bhs, num);
+ gfs2_submit_bhs(REQ_OP_READ, REQ_META | REQ_PRIO, bhs, num);
if (!(flags & DIO_WAIT))
return 0;
@@ -453,7 +452,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen)
if (buffer_uptodate(first_bh))
goto out;
if (!buffer_locked(first_bh))
- ll_rw_block(REQ_OP_READ, READ_SYNC | REQ_META, 1, &first_bh);
+ ll_rw_block(REQ_OP_READ, REQ_META, 1, &first_bh);
dblock++;
extlen--;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index ff72ac6439c8..a34308df927f 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -246,7 +246,7 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent)
bio->bi_end_io = end_bio_io_page;
bio->bi_private = page;
- bio_set_op_attrs(bio, REQ_OP_READ, READ_SYNC | REQ_META);
+ bio_set_op_attrs(bio, REQ_OP_READ, REQ_META);
submit_bio(bio);
wait_on_page_locked(page);
bio_put(bio);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 11854dd84572..67aedf4c2e7c 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -221,7 +221,7 @@ static int hfsplus_sync_fs(struct super_block *sb, int wait)
error2 = hfsplus_submit_bio(sb,
sbi->part_start + HFSPLUS_VOLHEAD_SECTOR,
sbi->s_vhdr_buf, NULL, REQ_OP_WRITE,
- WRITE_SYNC);
+ REQ_SYNC);
if (!error)
error = error2;
if (!write_backup)
@@ -230,7 +230,7 @@ static int hfsplus_sync_fs(struct super_block *sb, int wait)
error2 = hfsplus_submit_bio(sb,
sbi->part_start + sbi->sect_count - 2,
sbi->s_backup_vhdr_buf, NULL, REQ_OP_WRITE,
- WRITE_SYNC);
+ REQ_SYNC);
if (!error)
error2 = error;
out:
diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c
index 44af14b2e916..9bb2fe35799d 100644
--- a/fs/isofs/compress.c
+++ b/fs/isofs/compress.c
@@ -18,6 +18,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/bio.h>
#include <linux/vmalloc.h>
#include <linux/zlib.h>
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 98b3eb7d8eaf..0ec137310320 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -377,9 +377,9 @@ repeat:
{
int p;
for (p = 0; p < rr->u.ER.len_id; p++)
- printk("%c", rr->u.ER.data[p]);
+ printk(KERN_CONT "%c", rr->u.ER.data[p]);
}
- printk("\n");
+ printk(KERN_CONT "\n");
break;
case SIG('P', 'X'):
inode->i_mode = isonum_733(rr->u.PX.mode);
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 684996c8a3a4..4055f51617ef 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -186,7 +186,7 @@ __flush_batch(journal_t *journal, int *batch_count)
blk_start_plug(&plug);
for (i = 0; i < *batch_count; i++)
- write_dirty_buffer(journal->j_chkpt_bhs[i], WRITE_SYNC);
+ write_dirty_buffer(journal->j_chkpt_bhs[i], REQ_SYNC);
blk_finish_plug(&plug);
for (i = 0; i < *batch_count; i++) {
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 31f8ca046639..8c514367ba5a 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -155,9 +155,10 @@ static int journal_submit_commit_record(journal_t *journal,
if (journal->j_flags & JBD2_BARRIER &&
!jbd2_has_feature_async_commit(journal))
- ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC | WRITE_FLUSH_FUA, bh);
+ ret = submit_bh(REQ_OP_WRITE,
+ REQ_SYNC | REQ_PREFLUSH | REQ_FUA, bh);
else
- ret = submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh);
+ ret = submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
*cbh = bh;
return ret;
@@ -402,7 +403,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
jbd2_journal_update_sb_log_tail(journal,
journal->j_tail_sequence,
journal->j_tail,
- WRITE_SYNC);
+ REQ_SYNC);
mutex_unlock(&journal->j_checkpoint_mutex);
} else {
jbd_debug(3, "superblock not updated\n");
@@ -717,7 +718,7 @@ start_journal_io:
clear_buffer_dirty(bh);
set_buffer_uptodate(bh);
bh->b_end_io = journal_end_buffer_io_sync;
- submit_bh(REQ_OP_WRITE, WRITE_SYNC, bh);
+ submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
}
cond_resched();
stats.run.rs_blocks_logged += bufs;
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 927da4956a89..8ed971eeab44 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -913,7 +913,7 @@ int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block)
* space and if we lose sb update during power failure we'd replay
* old transaction with possibly newly overwritten data.
*/
- ret = jbd2_journal_update_sb_log_tail(journal, tid, block, WRITE_FUA);
+ ret = jbd2_journal_update_sb_log_tail(journal, tid, block, REQ_FUA);
if (ret)
goto out;
@@ -1306,7 +1306,7 @@ static int journal_reset(journal_t *journal)
/* Lock here to make assertions happy... */
mutex_lock(&journal->j_checkpoint_mutex);
/*
- * Update log tail information. We use WRITE_FUA since new
+ * Update log tail information. We use REQ_FUA since new
* transaction will start reusing journal space and so we
* must make sure information about current log tail is on
* disk before that.
@@ -1314,7 +1314,7 @@ static int journal_reset(journal_t *journal)
jbd2_journal_update_sb_log_tail(journal,
journal->j_tail_sequence,
journal->j_tail,
- WRITE_FUA);
+ REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}
return jbd2_journal_start_thread(journal);
@@ -1454,7 +1454,7 @@ void jbd2_journal_update_sb_errno(journal_t *journal)
sb->s_errno = cpu_to_be32(journal->j_errno);
read_unlock(&journal->j_state_lock);
- jbd2_write_superblock(journal, WRITE_FUA);
+ jbd2_write_superblock(journal, REQ_FUA);
}
EXPORT_SYMBOL(jbd2_journal_update_sb_errno);
@@ -1720,7 +1720,8 @@ int jbd2_journal_destroy(journal_t *journal)
++journal->j_transaction_sequence;
write_unlock(&journal->j_state_lock);
- jbd2_mark_journal_empty(journal, WRITE_FLUSH_FUA);
+ jbd2_mark_journal_empty(journal,
+ REQ_PREFLUSH | REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
} else
err = -EIO;
@@ -1979,7 +1980,7 @@ int jbd2_journal_flush(journal_t *journal)
* the magic code for a fully-recovered superblock. Any future
* commits of data to the journal will restore the current
* s_start value. */
- jbd2_mark_journal_empty(journal, WRITE_FUA);
+ jbd2_mark_journal_empty(journal, REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
write_lock(&journal->j_state_lock);
J_ASSERT(!journal->j_running_transaction);
@@ -2025,7 +2026,7 @@ int jbd2_journal_wipe(journal_t *journal, int write)
if (write) {
/* Lock to make assertions happy... */
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal, WRITE_FUA);
+ jbd2_mark_journal_empty(journal, REQ_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index 91171dc352cb..cfc38b552118 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -648,7 +648,7 @@ static void flush_descriptor(journal_t *journal,
set_buffer_jwrite(descriptor);
BUFFER_TRACE(descriptor, "write");
set_buffer_dirty(descriptor);
- write_dirty_buffer(descriptor, WRITE_SYNC);
+ write_dirty_buffer(descriptor, REQ_SYNC);
}
#endif
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index a21ea8b3e5fa..bb1da1feafeb 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -2002,7 +2002,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
- bio_set_op_attrs(bio, REQ_OP_READ, READ_SYNC);
+ bio->bi_opf = REQ_OP_READ;
/*check if journaling to disk has been disabled*/
if (log->no_integrity) {
bio->bi_iter.bi_size = 0;
@@ -2146,7 +2146,7 @@ static void lbmStartIO(struct lbuf * bp)
bio->bi_end_io = lbmIODone;
bio->bi_private = bp;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_SYNC);
+ bio->bi_opf = REQ_OP_WRITE | REQ_SYNC;
/* check if journaling to disk has been disabled */
if (log->no_integrity) {
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 5426189406c1..fb8cac88251a 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -15,6 +15,6 @@ struct lockd_net {
struct list_head nsm_handles;
};
-extern int lockd_net_id;
+extern unsigned int lockd_net_id;
#endif
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index fc4084ef4736..1c13dd80744f 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -57,7 +57,7 @@ static struct task_struct *nlmsvc_task;
static struct svc_rqst *nlmsvc_rqst;
unsigned long nlmsvc_timeout;
-int lockd_net_id;
+unsigned int lockd_net_id;
/*
* These can be set at insmod time (useful for NFS as root filesystem),
diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
index a8329cc47dec..9bfa0151d7c9 100644
--- a/fs/logfs/dev_bdev.c
+++ b/fs/logfs/dev_bdev.c
@@ -19,16 +19,10 @@ static int sync_request(struct page *page, struct block_device *bdev, int op)
struct bio bio;
struct bio_vec bio_vec;
- bio_init(&bio);
- bio.bi_max_vecs = 1;
- bio.bi_io_vec = &bio_vec;
- bio_vec.bv_page = page;
- bio_vec.bv_len = PAGE_SIZE;
- bio_vec.bv_offset = 0;
- bio.bi_vcnt = 1;
+ bio_init(&bio, &bio_vec, 1);
bio.bi_bdev = bdev;
+ bio_add_page(&bio, page, PAGE_SIZE, 0);
bio.bi_iter.bi_sector = page->index * (PAGE_SIZE >> 9);
- bio.bi_iter.bi_size = PAGE_SIZE;
bio_set_op_attrs(&bio, op, 0);
return submit_bio_wait(&bio);
@@ -77,56 +71,45 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index,
{
struct logfs_super *super = logfs_super(sb);
struct address_space *mapping = super->s_mapping_inode->i_mapping;
- struct bio *bio;
+ struct bio *bio = NULL;
struct page *page;
unsigned int max_pages;
- int i;
+ int i, ret;
max_pages = min_t(size_t, nr_pages, BIO_MAX_PAGES);
- bio = bio_alloc(GFP_NOFS, max_pages);
- BUG_ON(!bio);
-
for (i = 0; i < nr_pages; i++) {
- if (i >= max_pages) {
- /* Block layer cannot split bios :( */
- bio->bi_vcnt = i;
- bio->bi_iter.bi_size = i * PAGE_SIZE;
+ if (!bio) {
+ bio = bio_alloc(GFP_NOFS, max_pages);
+ BUG_ON(!bio);
+
bio->bi_bdev = super->s_bdev;
bio->bi_iter.bi_sector = ofs >> 9;
bio->bi_private = sb;
bio->bi_end_io = writeseg_end_io;
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
- atomic_inc(&super->s_pending_writes);
- submit_bio(bio);
-
- ofs += i * PAGE_SIZE;
- index += i;
- nr_pages -= i;
- i = 0;
-
- bio = bio_alloc(GFP_NOFS, max_pages);
- BUG_ON(!bio);
}
page = find_lock_page(mapping, index + i);
BUG_ON(!page);
- bio->bi_io_vec[i].bv_page = page;
- bio->bi_io_vec[i].bv_len = PAGE_SIZE;
- bio->bi_io_vec[i].bv_offset = 0;
+ ret = bio_add_page(bio, page, PAGE_SIZE, 0);
BUG_ON(PageWriteback(page));
set_page_writeback(page);
unlock_page(page);
+
+ if (!ret) {
+ /* Block layer cannot split bios :( */
+ ofs += bio->bi_iter.bi_size;
+ atomic_inc(&super->s_pending_writes);
+ submit_bio(bio);
+ bio = NULL;
+ }
+ }
+
+ if (bio) {
+ atomic_inc(&super->s_pending_writes);
+ submit_bio(bio);
}
- bio->bi_vcnt = nr_pages;
- bio->bi_iter.bi_size = nr_pages * PAGE_SIZE;
- bio->bi_bdev = super->s_bdev;
- bio->bi_iter.bi_sector = ofs >> 9;
- bio->bi_private = sb;
- bio->bi_end_io = writeseg_end_io;
- bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
- atomic_inc(&super->s_pending_writes);
- submit_bio(bio);
return 0;
}
@@ -160,7 +143,6 @@ static void erase_end_io(struct bio *bio)
struct logfs_super *super = logfs_super(sb);
BUG_ON(bio->bi_error); /* FIXME: Retry io or write elsewhere */
- BUG_ON(bio->bi_vcnt == 0);
bio_put(bio);
if (atomic_dec_and_test(&super->s_pending_writes))
wake_up(&wq);
@@ -170,49 +152,35 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index,
size_t nr_pages)
{
struct logfs_super *super = logfs_super(sb);
- struct bio *bio;
+ struct bio *bio = NULL;
unsigned int max_pages;
- int i;
+ int i, ret;
max_pages = min_t(size_t, nr_pages, BIO_MAX_PAGES);
- bio = bio_alloc(GFP_NOFS, max_pages);
- BUG_ON(!bio);
-
for (i = 0; i < nr_pages; i++) {
- if (i >= max_pages) {
- /* Block layer cannot split bios :( */
- bio->bi_vcnt = i;
- bio->bi_iter.bi_size = i * PAGE_SIZE;
+ if (!bio) {
+ bio = bio_alloc(GFP_NOFS, max_pages);
+ BUG_ON(!bio);
+
bio->bi_bdev = super->s_bdev;
bio->bi_iter.bi_sector = ofs >> 9;
bio->bi_private = sb;
bio->bi_end_io = erase_end_io;
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
+ }
+ ret = bio_add_page(bio, super->s_erase_page, PAGE_SIZE, 0);
+ if (!ret) {
+ /* Block layer cannot split bios :( */
+ ofs += bio->bi_iter.bi_size;
atomic_inc(&super->s_pending_writes);
submit_bio(bio);
-
- ofs += i * PAGE_SIZE;
- index += i;
- nr_pages -= i;
- i = 0;
-
- bio = bio_alloc(GFP_NOFS, max_pages);
- BUG_ON(!bio);
}
- bio->bi_io_vec[i].bv_page = super->s_erase_page;
- bio->bi_io_vec[i].bv_len = PAGE_SIZE;
- bio->bi_io_vec[i].bv_offset = 0;
}
- bio->bi_vcnt = nr_pages;
- bio->bi_iter.bi_size = nr_pages * PAGE_SIZE;
- bio->bi_bdev = super->s_bdev;
- bio->bi_iter.bi_sector = ofs >> 9;
- bio->bi_private = sb;
- bio->bi_end_io = erase_end_io;
- bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
- atomic_inc(&super->s_pending_writes);
- submit_bio(bio);
+ if (bio) {
+ atomic_inc(&super->s_pending_writes);
+ submit_bio(bio);
+ }
return 0;
}
diff --git a/fs/mpage.c b/fs/mpage.c
index d2413af0823a..98fc11aa7e0b 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -489,7 +489,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
struct buffer_head map_bh;
loff_t i_size = i_size_read(inode);
int ret = 0;
- int op_flags = (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : 0);
+ int op_flags = wbc_to_write_flags(wbc);
if (page_has_buffers(page)) {
struct buffer_head *head = page_buffers(page);
@@ -705,7 +705,7 @@ mpage_writepages(struct address_space *mapping,
ret = write_cache_pages(mapping, wbc, __mpage_writepage, &mpd);
if (mpd.bio) {
int op_flags = (wbc->sync_mode == WB_SYNC_ALL ?
- WRITE_SYNC : 0);
+ REQ_SYNC : 0);
mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio);
}
}
@@ -726,7 +726,7 @@ int mpage_writepage(struct page *page, get_block_t get_block,
int ret = __mpage_writepage(page, wbc, &mpd);
if (mpd.bio) {
int op_flags = (wbc->sync_mode == WB_SYNC_ALL ?
- WRITE_SYNC : 0);
+ REQ_SYNC : 0);
mpage_bio_submit(REQ_OP_WRITE, op_flags, mpd.bio);
}
return ret;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index bf4ec5ecc97e..ce42dd00e4ee 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -2015,7 +2015,7 @@ static void nfsiod_stop(void)
destroy_workqueue(wq);
}
-int nfs_net_id;
+unsigned int nfs_net_id;
EXPORT_SYMBOL_GPL(nfs_net_id);
static int nfs_net_init(struct net *net)
diff --git a/fs/nfs/netns.h b/fs/nfs/netns.h
index fbce0d885d4c..5fbd2bde91ba 100644
--- a/fs/nfs/netns.h
+++ b/fs/nfs/netns.h
@@ -35,6 +35,6 @@ struct nfs_net {
#endif
};
-extern int nfs_net_id;
+extern unsigned int nfs_net_id;
#endif
diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c
index fd8c9a5bcac4..420d3a0ab258 100644
--- a/fs/nfs_common/grace.c
+++ b/fs/nfs_common/grace.c
@@ -9,7 +9,7 @@
#include <net/netns/generic.h>
#include <linux/fs.h>
-static int grace_net_id;
+static unsigned int grace_net_id;
static DEFINE_SPINLOCK(grace_lock);
/**
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index ee36efd5aece..3714231a9d0f 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -124,5 +124,5 @@ struct nfsd_net {
/* Simple check to find out if a given net was properly initialized */
#define nfsd_netns_ready(nn) ((nn)->sessionid_hashtbl)
-extern int nfsd_net_id;
+extern unsigned int nfsd_net_id;
#endif /* __NFSD_NETNS_H__ */
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 36b2af931e06..2857e46d5cc5 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1201,7 +1201,7 @@ static int create_proc_exports_entry(void)
}
#endif
-int nfsd_net_id;
+unsigned int nfsd_net_id;
static __net_init int nfsd_init_net(struct net *net)
{
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index c95d369e90aa..12eeae62a2b1 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -189,7 +189,7 @@ static int nilfs_sync_super(struct super_block *sb, int flag)
set_buffer_dirty(nilfs->ns_sbh[0]);
if (nilfs_test_opt(nilfs, BARRIER)) {
err = __sync_dirty_buffer(nilfs->ns_sbh[0],
- WRITE_SYNC | WRITE_FLUSH_FUA);
+ REQ_SYNC | REQ_PREFLUSH | REQ_FUA);
} else {
err = sync_dirty_buffer(nilfs->ns_sbh[0]);
}
diff --git a/fs/nsfs.c b/fs/nsfs.c
index 8718af895eab..8c9fb29c6673 100644
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -118,7 +118,7 @@ again:
return ret;
}
-static int open_related_ns(struct ns_common *ns,
+int open_related_ns(struct ns_common *ns,
struct ns_common *(*get_ns)(struct ns_common *ns))
{
struct path path = {};
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index fe251f187ff8..d0cf6fee5c77 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -29,6 +29,7 @@
#include <linux/buffer_head.h>
#include <linux/writeback.h>
#include <linux/bit_spinlock.h>
+#include <linux/bio.h>
#include "aops.h"
#include "attrib.h"
diff --git a/fs/ntfs/logfile.c b/fs/ntfs/logfile.c
index 761f12f7f3ef..353379ff6057 100644
--- a/fs/ntfs/logfile.c
+++ b/fs/ntfs/logfile.c
@@ -27,6 +27,7 @@
#include <linux/buffer_head.h>
#include <linux/bitops.h>
#include <linux/log2.h>
+#include <linux/bio.h>
#include "attrib.h"
#include "aops.h"
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index d3c009626032..b6f402194f02 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -23,6 +23,7 @@
#include <linux/buffer_head.h>
#include <linux/slab.h>
#include <linux/swap.h>
+#include <linux/bio.h>
#include "attrib.h"
#include "aops.h"
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index c5c5b9748ea3..9a88984f9f6f 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1950,8 +1950,7 @@ static void ocfs2_write_end_inline(struct inode *inode, loff_t pos,
}
int ocfs2_write_end_nolock(struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *page, void *fsdata)
+ loff_t pos, unsigned len, unsigned copied, void *fsdata)
{
int i, ret;
unsigned from, to, start = pos & (PAGE_SIZE - 1);
@@ -2064,7 +2063,7 @@ static int ocfs2_write_end(struct file *file, struct address_space *mapping,
int ret;
struct inode *inode = mapping->host;
- ret = ocfs2_write_end_nolock(mapping, pos, len, copied, page, fsdata);
+ ret = ocfs2_write_end_nolock(mapping, pos, len, copied, fsdata);
up_write(&OCFS2_I(inode)->ip_alloc_sem);
ocfs2_inode_unlock(inode, 1);
@@ -2241,7 +2240,7 @@ static int ocfs2_dio_get_block(struct inode *inode, sector_t iblock,
dwc->dw_zero_count++;
}
- ret = ocfs2_write_end_nolock(inode->i_mapping, pos, len, len, NULL, wc);
+ ret = ocfs2_write_end_nolock(inode->i_mapping, pos, len, len, wc);
BUG_ON(ret != len);
ret = 0;
unlock:
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index b1c9f28a57b1..8614ff069d99 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -44,8 +44,7 @@ int walk_page_buffers( handle_t *handle,
struct buffer_head *bh));
int ocfs2_write_end_nolock(struct address_space *mapping,
- loff_t pos, unsigned len, unsigned copied,
- struct page *page, void *fsdata);
+ loff_t pos, unsigned len, unsigned copied, void *fsdata);
typedef enum {
OCFS2_WRITE_BUFFER = 0,
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 8f040f88ade4..d9ebe11c8990 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -26,6 +26,7 @@
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/highmem.h>
+#include <linux/bio.h>
#include <cluster/masklog.h>
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 636abcbd4650..96a155ab5059 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -627,7 +627,7 @@ static int o2hb_issue_node_write(struct o2hb_region *reg,
slot = o2nm_this_node();
bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1, REQ_OP_WRITE,
- WRITE_SYNC);
+ REQ_SYNC);
if (IS_ERR(bio)) {
status = PTR_ERR(bio);
mlog_errno(status);
@@ -741,7 +741,7 @@ static inline void o2hb_prepare_block(struct o2hb_region *reg,
hb_block = (struct o2hb_disk_heartbeat_block *)slot->ds_raw_block;
memset(hb_block, 0, reg->hr_block_bytes);
/* TODO: time stuff */
- cputime = CURRENT_TIME.tv_sec;
+ cputime = ktime_get_real_seconds();
if (!cputime)
cputime = 1;
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 3f828a187049..a464c8088170 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1609,8 +1609,6 @@ way_up_top:
__dlm_insert_mle(dlm, mle);
response = DLM_MASTER_RESP_NO;
} else {
- // mlog(0, "mle was found\n");
- set_maybe = 1;
spin_lock(&tmpmle->spinlock);
if (tmpmle->master == dlm->node_num) {
mlog(ML_ERROR, "no lockres, but an mle with this node as master!\n");
@@ -1625,8 +1623,7 @@ way_up_top:
response = DLM_MASTER_RESP_NO;
} else
response = DLM_MASTER_RESP_MAYBE;
- if (set_maybe)
- set_bit(request->node_idx, tmpmle->maybe_map);
+ set_bit(request->node_idx, tmpmle->maybe_map);
spin_unlock(&tmpmle->spinlock);
}
spin_unlock(&dlm->master_lock);
@@ -1644,12 +1641,6 @@ send_response:
* dlm_assert_master_worker() isn't called, we drop it here.
*/
if (dispatch_assert) {
- if (response != DLM_MASTER_RESP_YES)
- mlog(ML_ERROR, "invalid response %d\n", response);
- if (!res) {
- mlog(ML_ERROR, "bad lockres while trying to assert!\n");
- BUG();
- }
mlog(0, "%u is the owner of %.*s, cleaning everyone else\n",
dlm->node_num, res->lockname.len, res->lockname.name);
spin_lock(&res->spinlock);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index dd5cb8bcefd1..74407c6dd592 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2966,8 +2966,6 @@ int dlm_finalize_reco_handler(struct o2net_msg *msg, u32 len, void *data,
spin_unlock(&dlm->spinlock);
dlm_kick_recovery_thread(dlm);
break;
- default:
- BUG();
}
mlog(0, "%s: recovery done, reco master was %u, dead now %u, master now %u\n",
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index c56a7679df93..382401d3e88f 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -703,7 +703,7 @@ static int ocfs2_remove_inode(struct inode *inode,
goto bail_commit;
}
- di->i_dtime = cpu_to_le64(CURRENT_TIME.tv_sec);
+ di->i_dtime = cpu_to_le64(ktime_get_real_seconds());
di->i_flags &= cpu_to_le32(~(OCFS2_VALID_FL | OCFS2_ORPHANED_FL));
ocfs2_journal_dirty(handle, di_bh);
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index a244f14c6b87..d5e5fa7f0743 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1947,7 +1947,7 @@ static void ocfs2_queue_orphan_scan(struct ocfs2_super *osb)
*/
seqno++;
os->os_count++;
- os->os_scantime = CURRENT_TIME;
+ os->os_scantime = ktime_get_seconds();
unlock:
ocfs2_orphan_scan_unlock(osb, seqno);
out:
@@ -2004,7 +2004,7 @@ void ocfs2_orphan_scan_start(struct ocfs2_super *osb)
struct ocfs2_orphan_scan *os;
os = &osb->osb_orphan_scan;
- os->os_scantime = CURRENT_TIME;
+ os->os_scantime = ktime_get_seconds();
if (ocfs2_is_hard_readonly(osb) || ocfs2_mount_local(osb))
atomic_set(&os->os_state, ORPHAN_SCAN_INACTIVE);
else {
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 71545ad4628c..429088786e93 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -120,8 +120,7 @@ static int __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh,
ret = VM_FAULT_NOPAGE;
goto out;
}
- ret = ocfs2_write_end_nolock(mapping, pos, len, len, locked_page,
- fsdata);
+ ret = ocfs2_write_end_nolock(mapping, pos, len, len, fsdata);
BUG_ON(ret != len);
ret = VM_FAULT_LOCKED;
out:
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 8d887c75765c..3b0a10d9b36f 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -516,6 +516,7 @@ static int __ocfs2_mknod_locked(struct inode *dir,
struct ocfs2_extent_list *fel;
u16 feat;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
+ struct timespec64 ts;
*new_fe_bh = NULL;
@@ -564,10 +565,11 @@ static int __ocfs2_mknod_locked(struct inode *dir,
fe->i_last_eb_blk = 0;
strcpy(fe->i_signature, OCFS2_INODE_SIGNATURE);
fe->i_flags |= cpu_to_le32(OCFS2_VALID_FL);
+ ktime_get_real_ts64(&ts);
fe->i_atime = fe->i_ctime = fe->i_mtime =
- cpu_to_le64(CURRENT_TIME.tv_sec);
+ cpu_to_le64(ts.tv_sec);
fe->i_mtime_nsec = fe->i_ctime_nsec = fe->i_atime_nsec =
- cpu_to_le32(CURRENT_TIME.tv_nsec);
+ cpu_to_le32(ts.tv_nsec);
fe->i_dtime = 0;
/*
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index e63af7ddfe68..7e5958b0be6b 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -224,7 +224,7 @@ struct ocfs2_orphan_scan {
struct ocfs2_super *os_osb;
struct ocfs2_lock_res os_lockres; /* lock to synchronize scans */
struct delayed_work os_orphan_scan_work;
- struct timespec os_scantime; /* time this node ran the scan */
+ time64_t os_scantime; /* time this node ran the scan */
u32 os_count; /* tracks node specific scans */
u32 os_seqno; /* tracks cluster wide scans */
atomic_t os_state; /* ACTIVE or INACTIVE */
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 19238512a324..738b4ea8e990 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -478,7 +478,6 @@ again:
if (ret) {
mlog_errno(ret);
ocfs2_unlock_refcount_tree(osb, tree, rw);
- ocfs2_refcount_tree_put(tree);
goto out;
}
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index f56fe39fab04..c894d945b084 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -337,7 +337,7 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
out += snprintf(buf + out, len - out, "Disabled\n");
else
out += snprintf(buf + out, len - out, "%lu seconds ago\n",
- (get_seconds() - os->os_scantime.tv_sec));
+ (unsigned long)(ktime_get_seconds() - os->os_scantime));
out += snprintf(buf + out, len - out, "%10s => %3s %10s\n",
"Slots", "Num", "RecoGen");
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index ef3b4eb54cf2..551bc74ed2b8 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -8,6 +8,7 @@
* Linux VFS inode operations.
*/
+#include <linux/bvec.h>
#include "protocol.h"
#include "orangefs-kernel.h"
#include "orangefs-bufmap.h"
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index edd46a0e951d..0e100856c7b8 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -328,11 +328,11 @@ static struct dentry *ovl_d_real(struct dentry *dentry,
if (!real)
goto bug;
+ /* Handle recursion */
+ real = d_real(real, inode, open_flags);
+
if (!inode || inode == d_inode(real))
return real;
-
- /* Handle recursion */
- return d_real(real, inode, open_flags);
bug:
WARN(1, "ovl_d_real(%pd4, %s:%lu): real dentry not found\n", dentry,
inode ? inode->i_sb->s_id : "NULL", inode ? inode->i_ino : 0);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 81818adb8e9e..51a4213afa2e 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -245,7 +245,7 @@ void render_sigset_t(struct seq_file *m, const char *header,
if (sigismember(set, i+2)) x |= 2;
if (sigismember(set, i+3)) x |= 4;
if (sigismember(set, i+4)) x |= 8;
- seq_printf(m, "%x", x);
+ seq_putc(m, hex_asc[x]);
} while (i >= 4);
seq_putc(m, '\n');
@@ -342,10 +342,11 @@ static inline void task_cap(struct seq_file *m, struct task_struct *p)
static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
{
+ seq_put_decimal_ull(m, "NoNewPrivs:\t", task_no_new_privs(p));
#ifdef CONFIG_SECCOMP
- seq_put_decimal_ull(m, "Seccomp:\t", p->seccomp.mode);
- seq_putc(m, '\n');
+ seq_put_decimal_ull(m, "\nSeccomp:\t", p->seccomp.mode);
#endif
+ seq_putc(m, '\n');
}
static inline void task_context_switch_counts(struct seq_file *m,
diff --git a/fs/proc/base.c b/fs/proc/base.c
index ca651ac00660..9b99df4893a4 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -104,9 +104,12 @@
* in /proc for a task before it execs a suid executable.
*/
+static u8 nlink_tid;
+static u8 nlink_tgid;
+
struct pid_entry {
const char *name;
- int len;
+ unsigned int len;
umode_t mode;
const struct inode_operations *iop;
const struct file_operations *fop;
@@ -139,13 +142,13 @@ struct pid_entry {
* Count the number of hardlinks for the pid_entry table, excluding the .
* and .. links.
*/
-static unsigned int pid_entry_count_dirs(const struct pid_entry *entries,
+static unsigned int __init pid_entry_nlink(const struct pid_entry *entries,
unsigned int n)
{
unsigned int i;
unsigned int count;
- count = 0;
+ count = 2;
for (i = 0; i < n; ++i) {
if (S_ISDIR(entries[i].mode))
++count;
@@ -1967,7 +1970,7 @@ out:
struct map_files_info {
fmode_t mode;
- unsigned long len;
+ unsigned int len;
unsigned char name[4*sizeof(long)+2]; /* max: %lx-%lx\0 */
};
@@ -2412,14 +2415,14 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
* Yes, it does not scale. And it should not. Don't add
* new entries into /proc/<tgid>/ without very good reasons.
*/
- last = &ents[nents - 1];
- for (p = ents; p <= last; p++) {
+ last = &ents[nents];
+ for (p = ents; p < last; p++) {
if (p->len != dentry->d_name.len)
continue;
if (!memcmp(dentry->d_name.name, p->name, p->len))
break;
}
- if (p > last)
+ if (p >= last)
goto out;
error = proc_pident_instantiate(dir, dentry, task, p);
@@ -2444,7 +2447,7 @@ static int proc_pident_readdir(struct file *file, struct dir_context *ctx,
if (ctx->pos >= nents + 2)
goto out;
- for (p = ents + (ctx->pos - 2); p <= ents + nents - 1; p++) {
+ for (p = ents + (ctx->pos - 2); p < ents + nents; p++) {
if (!proc_fill_cache(file, ctx, p->name, p->len,
proc_pident_instantiate, task, p))
break;
@@ -3068,8 +3071,7 @@ static int proc_pid_instantiate(struct inode *dir,
inode->i_fop = &proc_tgid_base_operations;
inode->i_flags|=S_IMMUTABLE;
- set_nlink(inode, 2 + pid_entry_count_dirs(tgid_base_stuff,
- ARRAY_SIZE(tgid_base_stuff)));
+ set_nlink(inode, nlink_tgid);
d_set_d_op(dentry, &pid_dentry_operations);
@@ -3361,8 +3363,7 @@ static int proc_task_instantiate(struct inode *dir,
inode->i_fop = &proc_tid_base_operations;
inode->i_flags|=S_IMMUTABLE;
- set_nlink(inode, 2 + pid_entry_count_dirs(tid_base_stuff,
- ARRAY_SIZE(tid_base_stuff)));
+ set_nlink(inode, nlink_tid);
d_set_d_op(dentry, &pid_dentry_operations);
@@ -3552,3 +3553,9 @@ static const struct file_operations proc_task_operations = {
.iterate_shared = proc_task_readdir,
.llseek = generic_file_llseek,
};
+
+void __init set_proc_pid_nlink(void)
+{
+ nlink_tid = pid_entry_nlink(tid_base_stuff, ARRAY_SIZE(tid_base_stuff));
+ nlink_tgid = pid_entry_nlink(tgid_base_stuff, ARRAY_SIZE(tgid_base_stuff));
+}
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index e69ebe648a34..783bc19644d1 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -138,6 +138,16 @@ static void unuse_pde(struct proc_dir_entry *pde)
/* pde is locked */
static void close_pdeo(struct proc_dir_entry *pde, struct pde_opener *pdeo)
{
+ /*
+ * close() (proc_reg_release()) can't delete an entry and proceed:
+ * ->release hook needs to be available at the right moment.
+ *
+ * rmmod (remove_proc_entry() et al) can't delete an entry and proceed:
+ * "struct file" needs to be available at the right moment.
+ *
+ * Therefore, first process to enter this function does ->release() and
+ * signals its completion to the other process which does nothing.
+ */
if (pdeo->closing) {
/* somebody else is doing that, just wait */
DECLARE_COMPLETION_ONSTACK(c);
@@ -147,12 +157,13 @@ static void close_pdeo(struct proc_dir_entry *pde, struct pde_opener *pdeo)
spin_lock(&pde->pde_unload_lock);
} else {
struct file *file;
- pdeo->closing = 1;
+ pdeo->closing = true;
spin_unlock(&pde->pde_unload_lock);
file = pdeo->file;
pde->proc_fops->release(file_inode(file), file);
spin_lock(&pde->pde_unload_lock);
- list_del_init(&pdeo->lh);
+ /* After ->release. */
+ list_del(&pdeo->lh);
if (pdeo->c)
complete(pdeo->c);
kfree(pdeo);
@@ -167,6 +178,8 @@ void proc_entry_rundown(struct proc_dir_entry *de)
if (atomic_add_return(BIAS, &de->in_use) != BIAS)
wait_for_completion(&c);
+ /* ->pde_openers list can't grow from now on. */
+
spin_lock(&de->pde_unload_lock);
while (!list_empty(&de->pde_openers)) {
struct pde_opener *pdeo;
@@ -312,16 +325,17 @@ static int proc_reg_open(struct inode *inode, struct file *file)
struct pde_opener *pdeo;
/*
- * What for, you ask? Well, we can have open, rmmod, remove_proc_entry
- * sequence. ->release won't be called because ->proc_fops will be
- * cleared. Depending on complexity of ->release, consequences vary.
+ * Ensure that
+ * 1) PDE's ->release hook will be called no matter what
+ * either normally by close()/->release, or forcefully by
+ * rmmod/remove_proc_entry.
+ *
+ * 2) rmmod isn't blocked by opening file in /proc and sitting on
+ * the descriptor (including "rmmod foo </proc/foo" scenario).
*
- * We can't wait for mercy when close will be done for real, it's
- * deadlockable: rmmod foo </proc/foo . So, we're going to do ->release
- * by hand in remove_proc_entry(). For this, save opener's credentials
- * for later.
+ * Save every "struct file" with custom ->release hook.
*/
- pdeo = kzalloc(sizeof(struct pde_opener), GFP_KERNEL);
+ pdeo = kmalloc(sizeof(struct pde_opener), GFP_KERNEL);
if (!pdeo)
return -ENOMEM;
@@ -338,7 +352,8 @@ static int proc_reg_open(struct inode *inode, struct file *file)
if (rv == 0 && release) {
/* To know what to release. */
pdeo->file = file;
- /* Strictly for "too late" ->release in proc_reg_release(). */
+ pdeo->closing = false;
+ pdeo->c = NULL;
spin_lock(&pde->pde_unload_lock);
list_add(&pdeo->lh, &pde->pde_openers);
spin_unlock(&pde->pde_unload_lock);
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 5378441ec1b7..bbba5d22aada 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -203,7 +203,7 @@ struct proc_dir_entry *proc_create_mount_point(const char *name);
struct pde_opener {
struct file *file;
struct list_head lh;
- int closing;
+ bool closing;
struct completion *c;
};
extern const struct inode_operations proc_link_inode_operations;
@@ -211,6 +211,7 @@ extern const struct inode_operations proc_link_inode_operations;
extern const struct inode_operations proc_pid_link_inode_operations;
extern void proc_init_inodecache(void);
+void set_proc_pid_nlink(void);
extern struct inode *proc_get_inode(struct super_block *, struct proc_dir_entry *);
extern int proc_fill_super(struct super_block *, void *data, int flags);
extern void proc_entry_rundown(struct proc_dir_entry *);
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 8d3e484055a6..4bd0373576b5 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -122,6 +122,7 @@ void __init proc_root_init(void)
int err;
proc_init_inodecache();
+ set_proc_pid_nlink();
err = register_filesystem(&proc_fs_type);
if (err)
return;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 35b92d81692f..958f32545064 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1588,6 +1588,7 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
} while (pte++, addr += PAGE_SIZE, addr != end);
pte_unmap_unlock(orig_pte, ptl);
+ cond_resched();
return 0;
}
#ifdef CONFIG_HUGETLB_PAGE
diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
index be40813eff52..b42e5bd6d8ff 100644
--- a/fs/pstore/Kconfig
+++ b/fs/pstore/Kconfig
@@ -86,4 +86,4 @@ config PSTORE_RAM
Note that for historical reasons, the module will be named
"ramoops.ko".
- For more information, see Documentation/ramoops.txt.
+ For more information, see Documentation/admin-guide/ramoops.rst.
diff --git a/fs/pstore/ftrace.c b/fs/pstore/ftrace.c
index d4887705bb61..899d0ba0bd6c 100644
--- a/fs/pstore/ftrace.c
+++ b/fs/pstore/ftrace.c
@@ -27,6 +27,9 @@
#include <asm/barrier.h>
#include "internal.h"
+/* This doesn't need to be atomic: speed is chosen over correctness here. */
+static u64 pstore_ftrace_stamp;
+
static void notrace pstore_ftrace_call(unsigned long ip,
unsigned long parent_ip,
struct ftrace_ops *op,
@@ -42,6 +45,7 @@ static void notrace pstore_ftrace_call(unsigned long ip,
rec.ip = ip;
rec.parent_ip = parent_ip;
+ pstore_ftrace_write_timestamp(&rec, pstore_ftrace_stamp++);
pstore_ftrace_encode_cpu(&rec, raw_smp_processor_id());
psinfo->write_buf(PSTORE_TYPE_FTRACE, 0, NULL, 0, (void *)&rec,
0, sizeof(rec), psinfo);
@@ -71,10 +75,13 @@ static ssize_t pstore_ftrace_knob_write(struct file *f, const char __user *buf,
if (!on ^ pstore_ftrace_enabled)
goto out;
- if (on)
+ if (on) {
+ ftrace_ops_set_global_filter(&pstore_ftrace_ops);
ret = register_ftrace_function(&pstore_ftrace_ops);
- else
+ } else {
ret = unregister_ftrace_function(&pstore_ftrace_ops);
+ }
+
if (ret) {
pr_err("%s: unable to %sregister ftrace ops: %zd\n",
__func__, on ? "" : "un", ret);
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 1781dc50762e..57c0646479f5 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -107,9 +107,11 @@ static int pstore_ftrace_seq_show(struct seq_file *s, void *v)
struct pstore_ftrace_seq_data *data = v;
struct pstore_ftrace_record *rec = (void *)(ps->data + data->off);
- seq_printf(s, "%d %08lx %08lx %pf <- %pF\n",
- pstore_ftrace_decode_cpu(rec), rec->ip, rec->parent_ip,
- (void *)rec->ip, (void *)rec->parent_ip);
+ seq_printf(s, "CPU:%d ts:%llu %08lx %08lx %pf <- %pF\n",
+ pstore_ftrace_decode_cpu(rec),
+ pstore_ftrace_read_timestamp(rec),
+ rec->ip, rec->parent_ip, (void *)rec->ip,
+ (void *)rec->parent_ip);
return 0;
}
@@ -197,11 +199,14 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry)
if (err)
return err;
- if (p->psi->erase)
+ if (p->psi->erase) {
+ mutex_lock(&p->psi->read_mutex);
p->psi->erase(p->type, p->id, p->count,
d_inode(dentry)->i_ctime, p->psi);
- else
+ mutex_unlock(&p->psi->read_mutex);
+ } else {
return -EPERM;
+ }
return simple_unlink(dir, dentry);
}
diff --git a/fs/pstore/internal.h b/fs/pstore/internal.h
index e38a22b31282..da416e6591c9 100644
--- a/fs/pstore/internal.h
+++ b/fs/pstore/internal.h
@@ -5,40 +5,6 @@
#include <linux/time.h>
#include <linux/pstore.h>
-#if NR_CPUS <= 2 && defined(CONFIG_ARM_THUMB)
-#define PSTORE_CPU_IN_IP 0x1
-#elif NR_CPUS <= 4 && defined(CONFIG_ARM)
-#define PSTORE_CPU_IN_IP 0x3
-#endif
-
-struct pstore_ftrace_record {
- unsigned long ip;
- unsigned long parent_ip;
-#ifndef PSTORE_CPU_IN_IP
- unsigned int cpu;
-#endif
-};
-
-static inline void
-pstore_ftrace_encode_cpu(struct pstore_ftrace_record *rec, unsigned int cpu)
-{
-#ifndef PSTORE_CPU_IN_IP
- rec->cpu = cpu;
-#else
- rec->ip |= cpu;
-#endif
-}
-
-static inline unsigned int
-pstore_ftrace_decode_cpu(struct pstore_ftrace_record *rec)
-{
-#ifndef PSTORE_CPU_IN_IP
- return rec->cpu;
-#else
- return rec->ip & PSTORE_CPU_IN_IP;
-#endif
-}
-
#ifdef CONFIG_PSTORE_FTRACE
extern void pstore_register_ftrace(void);
extern void pstore_unregister_ftrace(void);
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 14984d902a99..729677e18e36 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -493,6 +493,7 @@ static void pstore_dump(struct kmsg_dumper *dumper,
if (!is_locked) {
pr_err("pstore dump routine blocked in %s path, may corrupt error record\n"
, in_nmi() ? "NMI" : why);
+ return;
}
} else {
spin_lock_irqsave(&psinfo->buf_lock, flags);
@@ -584,8 +585,8 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c)
} else {
spin_lock_irqsave(&psinfo->buf_lock, flags);
}
- memcpy(psinfo->buf, s, c);
- psinfo->write(PSTORE_TYPE_CONSOLE, 0, &id, 0, 0, 0, c, psinfo);
+ psinfo->write_buf(PSTORE_TYPE_CONSOLE, 0, &id, 0,
+ s, 0, c, psinfo);
spin_unlock_irqrestore(&psinfo->buf_lock, flags);
s += c;
c = e - s;
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 6ad831b9d1b8..27c059e1760a 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -85,10 +85,10 @@ MODULE_PARM_DESC(ramoops_ecc,
"bytes ECC)");
struct ramoops_context {
- struct persistent_ram_zone **przs;
- struct persistent_ram_zone *cprz;
- struct persistent_ram_zone *fprz;
- struct persistent_ram_zone *mprz;
+ struct persistent_ram_zone **dprzs; /* Oops dump zones */
+ struct persistent_ram_zone *cprz; /* Console zone */
+ struct persistent_ram_zone **fprzs; /* Ftrace zones */
+ struct persistent_ram_zone *mprz; /* PMSG zone */
phys_addr_t phys_addr;
unsigned long size;
unsigned int memtype;
@@ -97,12 +97,14 @@ struct ramoops_context {
size_t ftrace_size;
size_t pmsg_size;
int dump_oops;
+ u32 flags;
struct persistent_ram_ecc_info ecc_info;
unsigned int max_dump_cnt;
unsigned int dump_write_cnt;
/* _read_cnt need clear on ramoops_pstore_open */
unsigned int dump_read_cnt;
unsigned int console_read_cnt;
+ unsigned int max_ftrace_cnt;
unsigned int ftrace_read_cnt;
unsigned int pmsg_read_cnt;
struct pstore_info pstore;
@@ -180,16 +182,69 @@ static bool prz_ok(struct persistent_ram_zone *prz)
persistent_ram_ecc_string(prz, NULL, 0));
}
+static ssize_t ftrace_log_combine(struct persistent_ram_zone *dest,
+ struct persistent_ram_zone *src)
+{
+ size_t dest_size, src_size, total, dest_off, src_off;
+ size_t dest_idx = 0, src_idx = 0, merged_idx = 0;
+ void *merged_buf;
+ struct pstore_ftrace_record *drec, *srec, *mrec;
+ size_t record_size = sizeof(struct pstore_ftrace_record);
+
+ dest_off = dest->old_log_size % record_size;
+ dest_size = dest->old_log_size - dest_off;
+
+ src_off = src->old_log_size % record_size;
+ src_size = src->old_log_size - src_off;
+
+ total = dest_size + src_size;
+ merged_buf = kmalloc(total, GFP_KERNEL);
+ if (!merged_buf)
+ return -ENOMEM;
+
+ drec = (struct pstore_ftrace_record *)(dest->old_log + dest_off);
+ srec = (struct pstore_ftrace_record *)(src->old_log + src_off);
+ mrec = (struct pstore_ftrace_record *)(merged_buf);
+
+ while (dest_size > 0 && src_size > 0) {
+ if (pstore_ftrace_read_timestamp(&drec[dest_idx]) <
+ pstore_ftrace_read_timestamp(&srec[src_idx])) {
+ mrec[merged_idx++] = drec[dest_idx++];
+ dest_size -= record_size;
+ } else {
+ mrec[merged_idx++] = srec[src_idx++];
+ src_size -= record_size;
+ }
+ }
+
+ while (dest_size > 0) {
+ mrec[merged_idx++] = drec[dest_idx++];
+ dest_size -= record_size;
+ }
+
+ while (src_size > 0) {
+ mrec[merged_idx++] = srec[src_idx++];
+ src_size -= record_size;
+ }
+
+ kfree(dest->old_log);
+ dest->old_log = merged_buf;
+ dest->old_log_size = total;
+
+ return 0;
+}
+
static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
int *count, struct timespec *time,
char **buf, bool *compressed,
ssize_t *ecc_notice_size,
struct pstore_info *psi)
{
- ssize_t size;
+ ssize_t size = 0;
struct ramoops_context *cxt = psi->data;
struct persistent_ram_zone *prz = NULL;
int header_length = 0;
+ bool free_prz = false;
/* Ramoops headers provide time stamps for PSTORE_TYPE_DMESG, but
* PSTORE_TYPE_CONSOLE and PSTORE_TYPE_FTRACE don't currently have
@@ -201,7 +256,7 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
/* Find the next valid persistent_ram_zone for DMESG */
while (cxt->dump_read_cnt < cxt->max_dump_cnt && !prz) {
- prz = ramoops_get_next_prz(cxt->przs, &cxt->dump_read_cnt,
+ prz = ramoops_get_next_prz(cxt->dprzs, &cxt->dump_read_cnt,
cxt->max_dump_cnt, id, type,
PSTORE_TYPE_DMESG, 1);
if (!prz_ok(prz))
@@ -219,14 +274,56 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
if (!prz_ok(prz))
prz = ramoops_get_next_prz(&cxt->cprz, &cxt->console_read_cnt,
1, id, type, PSTORE_TYPE_CONSOLE, 0);
- if (!prz_ok(prz))
- prz = ramoops_get_next_prz(&cxt->fprz, &cxt->ftrace_read_cnt,
- 1, id, type, PSTORE_TYPE_FTRACE, 0);
+
if (!prz_ok(prz))
prz = ramoops_get_next_prz(&cxt->mprz, &cxt->pmsg_read_cnt,
1, id, type, PSTORE_TYPE_PMSG, 0);
- if (!prz_ok(prz))
- return 0;
+
+ /* ftrace is last since it may want to dynamically allocate memory. */
+ if (!prz_ok(prz)) {
+ if (!(cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU)) {
+ prz = ramoops_get_next_prz(cxt->fprzs,
+ &cxt->ftrace_read_cnt, 1, id, type,
+ PSTORE_TYPE_FTRACE, 0);
+ } else {
+ /*
+ * Build a new dummy record which combines all the
+ * per-cpu records including metadata and ecc info.
+ */
+ struct persistent_ram_zone *tmp_prz, *prz_next;
+
+ tmp_prz = kzalloc(sizeof(struct persistent_ram_zone),
+ GFP_KERNEL);
+ if (!tmp_prz)
+ return -ENOMEM;
+ free_prz = true;
+
+ while (cxt->ftrace_read_cnt < cxt->max_ftrace_cnt) {
+ prz_next = ramoops_get_next_prz(cxt->fprzs,
+ &cxt->ftrace_read_cnt,
+ cxt->max_ftrace_cnt, id,
+ type, PSTORE_TYPE_FTRACE, 0);
+
+ if (!prz_ok(prz_next))
+ continue;
+
+ tmp_prz->ecc_info = prz_next->ecc_info;
+ tmp_prz->corrected_bytes +=
+ prz_next->corrected_bytes;
+ tmp_prz->bad_blocks += prz_next->bad_blocks;
+ size = ftrace_log_combine(tmp_prz, prz_next);
+ if (size)
+ goto out;
+ }
+ *id = 0;
+ prz = tmp_prz;
+ }
+ }
+
+ if (!prz_ok(prz)) {
+ size = 0;
+ goto out;
+ }
size = persistent_ram_old_size(prz) - header_length;
@@ -234,12 +331,21 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
*ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0);
*buf = kmalloc(size + *ecc_notice_size + 1, GFP_KERNEL);
- if (*buf == NULL)
- return -ENOMEM;
+ if (*buf == NULL) {
+ size = -ENOMEM;
+ goto out;
+ }
memcpy(*buf, (char *)persistent_ram_old(prz) + header_length, size);
+
persistent_ram_ecc_string(prz, *buf + size, *ecc_notice_size + 1);
+out:
+ if (free_prz) {
+ kfree(prz->old_log);
+ kfree(prz);
+ }
+
return size;
}
@@ -283,15 +389,23 @@ static int notrace ramoops_pstore_write_buf(enum pstore_type_id type,
persistent_ram_write(cxt->cprz, buf, size);
return 0;
} else if (type == PSTORE_TYPE_FTRACE) {
- if (!cxt->fprz)
+ int zonenum;
+
+ if (!cxt->fprzs)
return -ENOMEM;
- persistent_ram_write(cxt->fprz, buf, size);
+ /*
+ * Choose zone by if we're using per-cpu buffers.
+ */
+ if (cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU)
+ zonenum = smp_processor_id();
+ else
+ zonenum = 0;
+
+ persistent_ram_write(cxt->fprzs[zonenum], buf, size);
return 0;
} else if (type == PSTORE_TYPE_PMSG) {
- if (!cxt->mprz)
- return -ENOMEM;
- persistent_ram_write(cxt->mprz, buf, size);
- return 0;
+ pr_warn_ratelimited("PMSG shouldn't call %s\n", __func__);
+ return -EINVAL;
}
if (type != PSTORE_TYPE_DMESG)
@@ -316,10 +430,10 @@ static int notrace ramoops_pstore_write_buf(enum pstore_type_id type,
if (part != 1)
return -ENOSPC;
- if (!cxt->przs)
+ if (!cxt->dprzs)
return -ENOSPC;
- prz = cxt->przs[cxt->dump_write_cnt];
+ prz = cxt->dprzs[cxt->dump_write_cnt];
hlen = ramoops_write_kmsg_hdr(prz, compressed);
if (size + hlen > prz->buffer_size)
@@ -359,13 +473,15 @@ static int ramoops_pstore_erase(enum pstore_type_id type, u64 id, int count,
case PSTORE_TYPE_DMESG:
if (id >= cxt->max_dump_cnt)
return -EINVAL;
- prz = cxt->przs[id];
+ prz = cxt->dprzs[id];
break;
case PSTORE_TYPE_CONSOLE:
prz = cxt->cprz;
break;
case PSTORE_TYPE_FTRACE:
- prz = cxt->fprz;
+ if (id >= cxt->max_ftrace_cnt)
+ return -EINVAL;
+ prz = cxt->fprzs[id];
break;
case PSTORE_TYPE_PMSG:
prz = cxt->mprz;
@@ -396,68 +512,113 @@ static void ramoops_free_przs(struct ramoops_context *cxt)
{
int i;
- if (!cxt->przs)
- return;
+ /* Free dump PRZs */
+ if (cxt->dprzs) {
+ for (i = 0; i < cxt->max_dump_cnt; i++)
+ persistent_ram_free(cxt->dprzs[i]);
- for (i = 0; i < cxt->max_dump_cnt; i++)
- persistent_ram_free(cxt->przs[i]);
+ kfree(cxt->dprzs);
+ cxt->max_dump_cnt = 0;
+ }
- kfree(cxt->przs);
- cxt->max_dump_cnt = 0;
+ /* Free ftrace PRZs */
+ if (cxt->fprzs) {
+ for (i = 0; i < cxt->max_ftrace_cnt; i++)
+ persistent_ram_free(cxt->fprzs[i]);
+ kfree(cxt->fprzs);
+ cxt->max_ftrace_cnt = 0;
+ }
}
-static int ramoops_init_przs(struct device *dev, struct ramoops_context *cxt,
- phys_addr_t *paddr, size_t dump_mem_sz)
+static int ramoops_init_przs(const char *name,
+ struct device *dev, struct ramoops_context *cxt,
+ struct persistent_ram_zone ***przs,
+ phys_addr_t *paddr, size_t mem_sz,
+ ssize_t record_size,
+ unsigned int *cnt, u32 sig, u32 flags)
{
int err = -ENOMEM;
int i;
+ size_t zone_sz;
+ struct persistent_ram_zone **prz_ar;
- if (!cxt->record_size)
+ /* Allocate nothing for 0 mem_sz or 0 record_size. */
+ if (mem_sz == 0 || record_size == 0) {
+ *cnt = 0;
return 0;
+ }
- if (*paddr + dump_mem_sz - cxt->phys_addr > cxt->size) {
- dev_err(dev, "no room for dumps\n");
- return -ENOMEM;
+ /*
+ * If we have a negative record size, calculate it based on
+ * mem_sz / *cnt. If we have a positive record size, calculate
+ * cnt from mem_sz / record_size.
+ */
+ if (record_size < 0) {
+ if (*cnt == 0)
+ return 0;
+ record_size = mem_sz / *cnt;
+ if (record_size == 0) {
+ dev_err(dev, "%s record size == 0 (%zu / %u)\n",
+ name, mem_sz, *cnt);
+ goto fail;
+ }
+ } else {
+ *cnt = mem_sz / record_size;
+ if (*cnt == 0) {
+ dev_err(dev, "%s record count == 0 (%zu / %zu)\n",
+ name, mem_sz, record_size);
+ goto fail;
+ }
}
- cxt->max_dump_cnt = dump_mem_sz / cxt->record_size;
- if (!cxt->max_dump_cnt)
- return -ENOMEM;
+ if (*paddr + mem_sz - cxt->phys_addr > cxt->size) {
+ dev_err(dev, "no room for %s mem region (0x%zx@0x%llx) in (0x%lx@0x%llx)\n",
+ name,
+ mem_sz, (unsigned long long)*paddr,
+ cxt->size, (unsigned long long)cxt->phys_addr);
+ goto fail;
+ }
- cxt->przs = kzalloc(sizeof(*cxt->przs) * cxt->max_dump_cnt,
- GFP_KERNEL);
- if (!cxt->przs) {
- dev_err(dev, "failed to initialize a prz array for dumps\n");
- goto fail_mem;
+ zone_sz = mem_sz / *cnt;
+ if (!zone_sz) {
+ dev_err(dev, "%s zone size == 0\n", name);
+ goto fail;
}
- for (i = 0; i < cxt->max_dump_cnt; i++) {
- cxt->przs[i] = persistent_ram_new(*paddr, cxt->record_size, 0,
+ prz_ar = kcalloc(*cnt, sizeof(**przs), GFP_KERNEL);
+ if (!prz_ar)
+ goto fail;
+
+ for (i = 0; i < *cnt; i++) {
+ prz_ar[i] = persistent_ram_new(*paddr, zone_sz, sig,
&cxt->ecc_info,
- cxt->memtype);
- if (IS_ERR(cxt->przs[i])) {
- err = PTR_ERR(cxt->przs[i]);
- dev_err(dev, "failed to request mem region (0x%zx@0x%llx): %d\n",
- cxt->record_size, (unsigned long long)*paddr, err);
+ cxt->memtype, flags);
+ if (IS_ERR(prz_ar[i])) {
+ err = PTR_ERR(prz_ar[i]);
+ dev_err(dev, "failed to request %s mem region (0x%zx@0x%llx): %d\n",
+ name, record_size,
+ (unsigned long long)*paddr, err);
while (i > 0) {
i--;
- persistent_ram_free(cxt->przs[i]);
+ persistent_ram_free(prz_ar[i]);
}
- goto fail_prz;
+ kfree(prz_ar);
+ goto fail;
}
- *paddr += cxt->record_size;
+ *paddr += zone_sz;
}
+ *przs = prz_ar;
return 0;
-fail_prz:
- kfree(cxt->przs);
-fail_mem:
- cxt->max_dump_cnt = 0;
+
+fail:
+ *cnt = 0;
return err;
}
-static int ramoops_init_prz(struct device *dev, struct ramoops_context *cxt,
+static int ramoops_init_prz(const char *name,
+ struct device *dev, struct ramoops_context *cxt,
struct persistent_ram_zone **prz,
phys_addr_t *paddr, size_t sz, u32 sig)
{
@@ -465,18 +626,19 @@ static int ramoops_init_prz(struct device *dev, struct ramoops_context *cxt,
return 0;
if (*paddr + sz - cxt->phys_addr > cxt->size) {
- dev_err(dev, "no room for mem region (0x%zx@0x%llx) in (0x%lx@0x%llx)\n",
- sz, (unsigned long long)*paddr,
+ dev_err(dev, "no room for %s mem region (0x%zx@0x%llx) in (0x%lx@0x%llx)\n",
+ name, sz, (unsigned long long)*paddr,
cxt->size, (unsigned long long)cxt->phys_addr);
return -ENOMEM;
}
- *prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info, cxt->memtype);
+ *prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info,
+ cxt->memtype, 0);
if (IS_ERR(*prz)) {
int err = PTR_ERR(*prz);
- dev_err(dev, "failed to request mem region (0x%zx@0x%llx): %d\n",
- sz, (unsigned long long)*paddr, err);
+ dev_err(dev, "failed to request %s mem region (0x%zx@0x%llx): %d\n",
+ name, sz, (unsigned long long)*paddr, err);
return err;
}
@@ -543,6 +705,7 @@ static int ramoops_parse_dt(struct platform_device *pdev,
parse_size("ftrace-size", pdata->ftrace_size);
parse_size("pmsg-size", pdata->pmsg_size);
parse_size("ecc-size", pdata->ecc_info.ecc_size);
+ parse_size("flags", pdata->flags);
#undef parse_size
@@ -561,6 +724,7 @@ static int ramoops_probe(struct platform_device *pdev)
if (dev_of_node(dev) && !pdata) {
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
+ pr_err("cannot allocate platform data buffer\n");
err = -ENOMEM;
goto fail_out;
}
@@ -570,11 +734,20 @@ static int ramoops_probe(struct platform_device *pdev)
goto fail_out;
}
- /* Only a single ramoops area allowed at a time, so fail extra
+ /*
+ * Only a single ramoops area allowed at a time, so fail extra
* probes.
*/
- if (cxt->max_dump_cnt)
+ if (cxt->max_dump_cnt) {
+ pr_err("already initialized\n");
goto fail_out;
+ }
+
+ /* Make sure we didn't get bogus platform data pointer. */
+ if (!pdata) {
+ pr_err("NULL platform data\n");
+ goto fail_out;
+ }
if (!pdata->mem_size || (!pdata->record_size && !pdata->console_size &&
!pdata->ftrace_size && !pdata->pmsg_size)) {
@@ -600,27 +773,37 @@ static int ramoops_probe(struct platform_device *pdev)
cxt->ftrace_size = pdata->ftrace_size;
cxt->pmsg_size = pdata->pmsg_size;
cxt->dump_oops = pdata->dump_oops;
+ cxt->flags = pdata->flags;
cxt->ecc_info = pdata->ecc_info;
paddr = cxt->phys_addr;
dump_mem_sz = cxt->size - cxt->console_size - cxt->ftrace_size
- cxt->pmsg_size;
- err = ramoops_init_przs(dev, cxt, &paddr, dump_mem_sz);
+ err = ramoops_init_przs("dump", dev, cxt, &cxt->dprzs, &paddr,
+ dump_mem_sz, cxt->record_size,
+ &cxt->max_dump_cnt, 0, 0);
if (err)
goto fail_out;
- err = ramoops_init_prz(dev, cxt, &cxt->cprz, &paddr,
+ err = ramoops_init_prz("console", dev, cxt, &cxt->cprz, &paddr,
cxt->console_size, 0);
if (err)
goto fail_init_cprz;
- err = ramoops_init_prz(dev, cxt, &cxt->fprz, &paddr, cxt->ftrace_size,
- LINUX_VERSION_CODE);
+ cxt->max_ftrace_cnt = (cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU)
+ ? nr_cpu_ids
+ : 1;
+ err = ramoops_init_przs("ftrace", dev, cxt, &cxt->fprzs, &paddr,
+ cxt->ftrace_size, -1,
+ &cxt->max_ftrace_cnt, LINUX_VERSION_CODE,
+ (cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU)
+ ? PRZ_FLAG_NO_LOCK : 0);
if (err)
goto fail_init_fprz;
- err = ramoops_init_prz(dev, cxt, &cxt->mprz, &paddr, cxt->pmsg_size, 0);
+ err = ramoops_init_prz("pmsg", dev, cxt, &cxt->mprz, &paddr,
+ cxt->pmsg_size, 0);
if (err)
goto fail_init_mprz;
@@ -680,7 +863,6 @@ fail_clear:
cxt->pstore.bufsize = 0;
persistent_ram_free(cxt->mprz);
fail_init_mprz:
- persistent_ram_free(cxt->fprz);
fail_init_fprz:
persistent_ram_free(cxt->cprz);
fail_init_cprz:
@@ -699,7 +881,6 @@ static int ramoops_remove(struct platform_device *pdev)
cxt->pstore.bufsize = 0;
persistent_ram_free(cxt->mprz);
- persistent_ram_free(cxt->fprz);
persistent_ram_free(cxt->cprz);
ramoops_free_przs(cxt);
@@ -741,6 +922,8 @@ static void ramoops_register_dummy(void)
dummy_data->ftrace_size = ramoops_ftrace_size;
dummy_data->pmsg_size = ramoops_pmsg_size;
dummy_data->dump_oops = dump_oops;
+ dummy_data->flags = RAMOOPS_FLAG_FTRACE_PER_CPU;
+
/*
* For backwards compatibility ramoops.ecc=1 means 16 bytes ECC
* (using 1 byte for ECC isn't much of use anyway).
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 3975deec02f8..a857338b7dab 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -48,16 +48,15 @@ static inline size_t buffer_start(struct persistent_ram_zone *prz)
return atomic_read(&prz->buffer->start);
}
-static DEFINE_RAW_SPINLOCK(buffer_lock);
-
/* increase and wrap the start pointer, returning the old value */
static size_t buffer_start_add(struct persistent_ram_zone *prz, size_t a)
{
int old;
int new;
- unsigned long flags;
+ unsigned long flags = 0;
- raw_spin_lock_irqsave(&buffer_lock, flags);
+ if (!(prz->flags & PRZ_FLAG_NO_LOCK))
+ raw_spin_lock_irqsave(&prz->buffer_lock, flags);
old = atomic_read(&prz->buffer->start);
new = old + a;
@@ -65,7 +64,8 @@ static size_t buffer_start_add(struct persistent_ram_zone *prz, size_t a)
new -= prz->buffer_size;
atomic_set(&prz->buffer->start, new);
- raw_spin_unlock_irqrestore(&buffer_lock, flags);
+ if (!(prz->flags & PRZ_FLAG_NO_LOCK))
+ raw_spin_unlock_irqrestore(&prz->buffer_lock, flags);
return old;
}
@@ -75,9 +75,10 @@ static void buffer_size_add(struct persistent_ram_zone *prz, size_t a)
{
size_t old;
size_t new;
- unsigned long flags;
+ unsigned long flags = 0;
- raw_spin_lock_irqsave(&buffer_lock, flags);
+ if (!(prz->flags & PRZ_FLAG_NO_LOCK))
+ raw_spin_lock_irqsave(&prz->buffer_lock, flags);
old = atomic_read(&prz->buffer->size);
if (old == prz->buffer_size)
@@ -89,7 +90,8 @@ static void buffer_size_add(struct persistent_ram_zone *prz, size_t a)
atomic_set(&prz->buffer->size, new);
exit:
- raw_spin_unlock_irqrestore(&buffer_lock, flags);
+ if (!(prz->flags & PRZ_FLAG_NO_LOCK))
+ raw_spin_unlock_irqrestore(&prz->buffer_lock, flags);
}
static void notrace persistent_ram_encode_rs8(struct persistent_ram_zone *prz,
@@ -465,7 +467,8 @@ static int persistent_ram_buffer_map(phys_addr_t start, phys_addr_t size,
}
static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig,
- struct persistent_ram_ecc_info *ecc_info)
+ struct persistent_ram_ecc_info *ecc_info,
+ unsigned long flags)
{
int ret;
@@ -493,6 +496,8 @@ static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig,
prz->buffer->sig = sig;
persistent_ram_zap(prz);
+ prz->buffer_lock = __RAW_SPIN_LOCK_UNLOCKED(buffer_lock);
+ prz->flags = flags;
return 0;
}
@@ -517,7 +522,7 @@ void persistent_ram_free(struct persistent_ram_zone *prz)
struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
u32 sig, struct persistent_ram_ecc_info *ecc_info,
- unsigned int memtype)
+ unsigned int memtype, u32 flags)
{
struct persistent_ram_zone *prz;
int ret = -ENOMEM;
@@ -532,7 +537,7 @@ struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size,
if (ret)
goto err;
- ret = persistent_ram_post_init(prz, sig, ecc_info);
+ ret = persistent_ram_post_init(prz, sig, ecc_info, flags);
if (ret)
goto err;
diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c
index 8b252673d454..e99b1a72d9a7 100644
--- a/fs/quota/netlink.c
+++ b/fs/quota/netlink.c
@@ -12,14 +12,8 @@ static const struct genl_multicast_group quota_mcgrps[] = {
};
/* Netlink family structure for quota */
-static struct genl_family quota_genl_family = {
- /*
- * Needed due to multicast group ID abuse - old code assumed
- * the family ID was also a valid multicast group ID (which
- * isn't true) and userspace might thus rely on it. Assign a
- * static ID for this group to make dealing with that easier.
- */
- .id = GENL_ID_VFS_DQUOT,
+static struct genl_family quota_genl_family __ro_after_init = {
+ .module = THIS_MODULE,
.hdrsize = 0,
.name = "VFS_DQUOT",
.version = 1,
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 58b2dedb2a3a..cfeae9b0a2b7 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -19,6 +19,7 @@
#include <linux/quotaops.h>
#include <linux/swap.h>
#include <linux/uio.h>
+#include <linux/bio.h>
int reiserfs_commit_write(struct file *f, struct page *page,
unsigned from, unsigned to);
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index bc2dde2423c2..aa40c242f1db 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1111,7 +1111,8 @@ static int flush_commit_list(struct super_block *s,
mark_buffer_dirty(jl->j_commit_bh) ;
depth = reiserfs_write_unlock_nested(s);
if (reiserfs_barrier_flush(s))
- __sync_dirty_buffer(jl->j_commit_bh, WRITE_FLUSH_FUA);
+ __sync_dirty_buffer(jl->j_commit_bh,
+ REQ_PREFLUSH | REQ_FUA);
else
sync_dirty_buffer(jl->j_commit_bh);
reiserfs_write_lock_nested(s, depth);
@@ -1269,7 +1270,8 @@ static int _update_journal_header_block(struct super_block *sb,
depth = reiserfs_write_unlock_nested(sb);
if (reiserfs_barrier_flush(sb))
- __sync_dirty_buffer(journal->j_header_bh, WRITE_FLUSH_FUA);
+ __sync_dirty_buffer(journal->j_header_bh,
+ REQ_PREFLUSH | REQ_FUA);
else
sync_dirty_buffer(journal->j_header_bh);
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index a97e352d05d3..0037aea97d39 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -11,6 +11,7 @@
#include <linux/time.h>
#include <linux/string.h>
#include <linux/pagemap.h>
+#include <linux/bio.h>
#include "reiserfs.h"
#include <linux/buffer_head.h>
#include <linux/quotaops.h>
diff --git a/fs/splice.c b/fs/splice.c
index 5a7750bd2eea..8ed7c9d8c0fb 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -17,6 +17,7 @@
* Copyright (C) 2006 Ingo Molnar <mingo@elte.hu>
*
*/
+#include <linux/bvec.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/pagemap.h>
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index ce62a380314f..2751476e6b6e 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -31,6 +31,7 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include "squashfs_fs.h"
#include "squashfs_fs_sb.h"
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index aaec13c95253..2d0e028067eb 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -30,6 +30,7 @@
#include <linux/errno.h>
#include <linux/mm.h>
#include <linux/slab.h>
+#include <linux/bio.h>
#include "udf_i.h"
#include "udf_sb.h"
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 988d5352bdb8..7aa48bd7cbaf 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -16,6 +16,7 @@
#include <linux/fs.h>
#include <linux/string.h>
+#include <linux/bio.h>
struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
struct udf_fileident_bh *fibh,
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index aad46401ede5..0f3db71753aa 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -38,6 +38,7 @@
#include <linux/crc-itu-t.h>
#include <linux/mpage.h>
#include <linux/uio.h>
+#include <linux/bio.h>
#include "udf_i.h"
#include "udf_sb.h"
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 67e085d591d8..b035af54f538 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -15,6 +15,7 @@
#include <linux/buffer_head.h>
#include <linux/capability.h>
#include <linux/bitops.h>
+#include <linux/bio.h>
#include <asm/byteorder.h>
#include "ufs_fs.h"
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 3e57a56cf829..6be5204a06d3 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -495,8 +495,8 @@ xfs_submit_ioend(
ioend->io_bio->bi_private = ioend;
ioend->io_bio->bi_end_io = xfs_end_bio;
- bio_set_op_attrs(ioend->io_bio, REQ_OP_WRITE,
- (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0);
+ ioend->io_bio->bi_opf = REQ_OP_WRITE | wbc_to_write_flags(wbc);
+
/*
* If we are failing the IO now, just mark the ioend with an
* error and finish it. This will run IO completion immediately
@@ -567,8 +567,7 @@ xfs_chain_bio(
bio_chain(ioend->io_bio, new);
bio_get(ioend->io_bio); /* for xfs_destroy_ioend */
- bio_set_op_attrs(ioend->io_bio, REQ_OP_WRITE,
- (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : 0);
+ ioend->io_bio->bi_opf = REQ_OP_WRITE | wbc_to_write_flags(wbc);
submit_bio(ioend->io_bio);
ioend->io_bio = new;
}
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index b5b9bffe3520..33c435f3316c 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1304,7 +1304,7 @@ _xfs_buf_ioapply(
if (bp->b_flags & XBF_WRITE) {
op = REQ_OP_WRITE;
if (bp->b_flags & XBF_SYNCIO)
- op_flags = WRITE_SYNC;
+ op_flags = REQ_SYNC;
if (bp->b_flags & XBF_FUA)
op_flags |= REQ_FUA;
if (bp->b_flags & XBF_FLUSH)