aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/f2fs/f2fs.h2
-rw-r--r--fs/fs-writeback.c24
-rw-r--r--fs/remap_range.c116
3 files changed, 70 insertions, 72 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ce9fc9f13000..d0d603187171 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -28,6 +28,8 @@
#include <linux/fscrypt.h>
#include <linux/fsverity.h>
+struct pagevec;
+
#ifdef CONFIG_F2FS_CHECK_FS
#define f2fs_bug_on(sbi, condition) BUG_ON(condition)
#else
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 67f0e88eed01..4f680f848c8b 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -372,7 +372,7 @@ static bool inode_do_switch_wbs(struct inode *inode,
{
struct address_space *mapping = inode->i_mapping;
XA_STATE(xas, &mapping->i_pages, 0);
- struct page *page;
+ struct folio *folio;
bool switched = false;
spin_lock(&inode->i_lock);
@@ -389,21 +389,23 @@ static bool inode_do_switch_wbs(struct inode *inode,
/*
* Count and transfer stats. Note that PAGECACHE_TAG_DIRTY points
- * to possibly dirty pages while PAGECACHE_TAG_WRITEBACK points to
- * pages actually under writeback.
+ * to possibly dirty folios while PAGECACHE_TAG_WRITEBACK points to
+ * folios actually under writeback.
*/
- xas_for_each_marked(&xas, page, ULONG_MAX, PAGECACHE_TAG_DIRTY) {
- if (PageDirty(page)) {
- dec_wb_stat(old_wb, WB_RECLAIMABLE);
- inc_wb_stat(new_wb, WB_RECLAIMABLE);
+ xas_for_each_marked(&xas, folio, ULONG_MAX, PAGECACHE_TAG_DIRTY) {
+ if (folio_test_dirty(folio)) {
+ long nr = folio_nr_pages(folio);
+ wb_stat_mod(old_wb, WB_RECLAIMABLE, -nr);
+ wb_stat_mod(new_wb, WB_RECLAIMABLE, nr);
}
}
xas_set(&xas, 0);
- xas_for_each_marked(&xas, page, ULONG_MAX, PAGECACHE_TAG_WRITEBACK) {
- WARN_ON_ONCE(!PageWriteback(page));
- dec_wb_stat(old_wb, WB_WRITEBACK);
- inc_wb_stat(new_wb, WB_WRITEBACK);
+ xas_for_each_marked(&xas, folio, ULONG_MAX, PAGECACHE_TAG_WRITEBACK) {
+ long nr = folio_nr_pages(folio);
+ WARN_ON_ONCE(!folio_test_writeback(folio));
+ wb_stat_mod(old_wb, WB_WRITEBACK, -nr);
+ wb_stat_mod(new_wb, WB_WRITEBACK, nr);
}
if (mapping_tagged(mapping, PAGECACHE_TAG_WRITEBACK)) {
diff --git a/fs/remap_range.c b/fs/remap_range.c
index 6d4a9beaa097..231159682907 100644
--- a/fs/remap_range.c
+++ b/fs/remap_range.c
@@ -146,41 +146,41 @@ static int generic_remap_check_len(struct inode *inode_in,
}
/* Read a page's worth of file data into the page cache. */
-static struct page *vfs_dedupe_get_page(struct inode *inode, loff_t offset)
+static struct folio *vfs_dedupe_get_folio(struct inode *inode, loff_t pos)
{
- struct page *page;
+ struct folio *folio;
- page = read_mapping_page(inode->i_mapping, offset >> PAGE_SHIFT, NULL);
- if (IS_ERR(page))
- return page;
- if (!PageUptodate(page)) {
- put_page(page);
+ folio = read_mapping_folio(inode->i_mapping, pos >> PAGE_SHIFT, NULL);
+ if (IS_ERR(folio))
+ return folio;
+ if (!folio_test_uptodate(folio)) {
+ folio_put(folio);
return ERR_PTR(-EIO);
}
- return page;
+ return folio;
}
/*
- * Lock two pages, ensuring that we lock in offset order if the pages are from
- * the same file.
+ * Lock two folios, ensuring that we lock in offset order if the folios
+ * are from the same file.
*/
-static void vfs_lock_two_pages(struct page *page1, struct page *page2)
+static void vfs_lock_two_folios(struct folio *folio1, struct folio *folio2)
{
/* Always lock in order of increasing index. */
- if (page1->index > page2->index)
- swap(page1, page2);
+ if (folio1->index > folio2->index)
+ swap(folio1, folio2);
- lock_page(page1);
- if (page1 != page2)
- lock_page(page2);
+ folio_lock(folio1);
+ if (folio1 != folio2)
+ folio_lock(folio2);
}
-/* Unlock two pages, being careful not to unlock the same page twice. */
-static void vfs_unlock_two_pages(struct page *page1, struct page *page2)
+/* Unlock two folios, being careful not to unlock the same folio twice. */
+static void vfs_unlock_two_folios(struct folio *folio1, struct folio *folio2)
{
- unlock_page(page1);
- if (page1 != page2)
- unlock_page(page2);
+ folio_unlock(folio1);
+ if (folio1 != folio2)
+ folio_unlock(folio2);
}
/*
@@ -188,77 +188,71 @@ static void vfs_unlock_two_pages(struct page *page1, struct page *page2)
* Caller must have locked both inodes to prevent write races.
*/
static int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff,
- struct inode *dest, loff_t destoff,
+ struct inode *dest, loff_t dstoff,
loff_t len, bool *is_same)
{
- loff_t src_poff;
- loff_t dest_poff;
- void *src_addr;
- void *dest_addr;
- struct page *src_page;
- struct page *dest_page;
- loff_t cmp_len;
- bool same;
- int error;
-
- error = -EINVAL;
- same = true;
+ bool same = true;
+ int error = -EINVAL;
+
while (len) {
- src_poff = srcoff & (PAGE_SIZE - 1);
- dest_poff = destoff & (PAGE_SIZE - 1);
- cmp_len = min(PAGE_SIZE - src_poff,
- PAGE_SIZE - dest_poff);
+ struct folio *src_folio, *dst_folio;
+ void *src_addr, *dst_addr;
+ loff_t cmp_len = min(PAGE_SIZE - offset_in_page(srcoff),
+ PAGE_SIZE - offset_in_page(dstoff));
+
cmp_len = min(cmp_len, len);
if (cmp_len <= 0)
goto out_error;
- src_page = vfs_dedupe_get_page(src, srcoff);
- if (IS_ERR(src_page)) {
- error = PTR_ERR(src_page);
+ src_folio = vfs_dedupe_get_folio(src, srcoff);
+ if (IS_ERR(src_folio)) {
+ error = PTR_ERR(src_folio);
goto out_error;
}
- dest_page = vfs_dedupe_get_page(dest, destoff);
- if (IS_ERR(dest_page)) {
- error = PTR_ERR(dest_page);
- put_page(src_page);
+ dst_folio = vfs_dedupe_get_folio(dest, dstoff);
+ if (IS_ERR(dst_folio)) {
+ error = PTR_ERR(dst_folio);
+ folio_put(src_folio);
goto out_error;
}
- vfs_lock_two_pages(src_page, dest_page);
+ vfs_lock_two_folios(src_folio, dst_folio);
/*
- * Now that we've locked both pages, make sure they're still
+ * Now that we've locked both folios, make sure they're still
* mapped to the file data we're interested in. If not,
* someone is invalidating pages on us and we lose.
*/
- if (!PageUptodate(src_page) || !PageUptodate(dest_page) ||
- src_page->mapping != src->i_mapping ||
- dest_page->mapping != dest->i_mapping) {
+ if (!folio_test_uptodate(src_folio) || !folio_test_uptodate(dst_folio) ||
+ src_folio->mapping != src->i_mapping ||
+ dst_folio->mapping != dest->i_mapping) {
same = false;
goto unlock;
}
- src_addr = kmap_atomic(src_page);
- dest_addr = kmap_atomic(dest_page);
+ src_addr = kmap_local_folio(src_folio,
+ offset_in_folio(src_folio, srcoff));
+ dst_addr = kmap_local_folio(dst_folio,
+ offset_in_folio(dst_folio, dstoff));
- flush_dcache_page(src_page);
- flush_dcache_page(dest_page);
+ flush_dcache_folio(src_folio);
+ flush_dcache_folio(dst_folio);
- if (memcmp(src_addr + src_poff, dest_addr + dest_poff, cmp_len))
+ if (memcmp(src_addr, dst_addr, cmp_len))
same = false;
- kunmap_atomic(dest_addr);
- kunmap_atomic(src_addr);
+ kunmap_local(dst_addr);
+ kunmap_local(src_addr);
unlock:
- vfs_unlock_two_pages(src_page, dest_page);
- put_page(dest_page);
- put_page(src_page);
+ vfs_unlock_two_folios(src_folio, dst_folio);
+ folio_put(dst_folio);
+ folio_put(src_folio);
if (!same)
break;
srcoff += cmp_len;
- destoff += cmp_len;
+ dstoff += cmp_len;
len -= cmp_len;
}