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Diffstat (limited to 'include/linux/buffer_head.h')
-rw-r--r--include/linux/buffer_head.h39
1 files changed, 21 insertions, 18 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index bcb4fe9b8575..307445d1c69e 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -9,6 +9,7 @@
#define _LINUX_BUFFER_HEAD_H
#include <linux/types.h>
+#include <linux/blk_types.h>
#include <linux/fs.h>
#include <linux/linkage.h>
#include <linux/pagemap.h>
@@ -146,7 +147,7 @@ BUFFER_FNS(Defer_Completion, defer_completion)
#define page_has_buffers(page) PagePrivate(page)
#define folio_buffers(folio) folio_get_private(folio)
-void buffer_check_dirty_writeback(struct page *page,
+void buffer_check_dirty_writeback(struct folio *folio,
bool *dirty, bool *writeback);
/*
@@ -158,7 +159,7 @@ void mark_buffer_write_io_error(struct buffer_head *bh);
void touch_buffer(struct buffer_head *bh);
void set_bh_page(struct buffer_head *bh,
struct page *page, unsigned long offset);
-int try_to_free_buffers(struct page *);
+bool try_to_free_buffers(struct folio *);
struct buffer_head *alloc_page_buffers(struct page *page, unsigned long size,
bool retry);
void create_empty_buffers(struct page *, unsigned long,
@@ -201,11 +202,11 @@ struct buffer_head *alloc_buffer_head(gfp_t gfp_flags);
void free_buffer_head(struct buffer_head * bh);
void unlock_buffer(struct buffer_head *bh);
void __lock_buffer(struct buffer_head *bh);
-void ll_rw_block(int, int, int, struct buffer_head * bh[]);
+void ll_rw_block(blk_opf_t, int, struct buffer_head * bh[]);
int sync_dirty_buffer(struct buffer_head *bh);
-int __sync_dirty_buffer(struct buffer_head *bh, int op_flags);
-void write_dirty_buffer(struct buffer_head *bh, int op_flags);
-int submit_bh(int, int, struct buffer_head *);
+int __sync_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags);
+void write_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags);
+int submit_bh(blk_opf_t, struct buffer_head *);
void write_boundary_block(struct block_device *bdev,
sector_t bblock, unsigned blocksize);
int bh_uptodate_or_lock(struct buffer_head *bh);
@@ -223,10 +224,10 @@ int block_write_full_page(struct page *page, get_block_t *get_block,
int __block_write_full_page(struct inode *inode, struct page *page,
get_block_t *get_block, struct writeback_control *wbc,
bh_end_io_t *handler);
-int block_read_full_page(struct page*, get_block_t*);
+int block_read_full_folio(struct folio *, get_block_t *);
bool block_is_partially_uptodate(struct folio *, size_t from, size_t count);
int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len,
- unsigned flags, struct page **pagep, get_block_t *get_block);
+ struct page **pagep, get_block_t *get_block);
int __block_write_begin(struct page *page, loff_t pos, unsigned len,
get_block_t *get_block);
int block_write_end(struct file *, struct address_space *,
@@ -238,7 +239,7 @@ int generic_write_end(struct file *, struct address_space *,
void page_zero_new_buffers(struct page *page, unsigned from, unsigned to);
void clean_page_buffers(struct page *page);
int cont_write_begin(struct file *, struct address_space *, loff_t,
- unsigned, unsigned, struct page **, void **,
+ unsigned, struct page **, void **,
get_block_t *, loff_t *);
int generic_cont_expand_simple(struct inode *inode, loff_t size);
int block_commit_write(struct page *page, unsigned from, unsigned to);
@@ -258,14 +259,16 @@ static inline vm_fault_t block_page_mkwrite_return(int err)
}
sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *);
int block_truncate_page(struct address_space *, loff_t, get_block_t *);
-int nobh_write_begin(struct address_space *, loff_t, unsigned, unsigned,
- struct page **, void **, get_block_t*);
-int nobh_write_end(struct file *, struct address_space *,
- loff_t, unsigned, unsigned,
- struct page *, void *);
-int nobh_truncate_page(struct address_space *, loff_t, get_block_t *);
-int nobh_writepage(struct page *page, get_block_t *get_block,
- struct writeback_control *wbc);
+
+#ifdef CONFIG_MIGRATION
+extern int buffer_migrate_folio(struct address_space *,
+ struct folio *dst, struct folio *src, enum migrate_mode);
+extern int buffer_migrate_folio_norefs(struct address_space *,
+ struct folio *dst, struct folio *src, enum migrate_mode);
+#else
+#define buffer_migrate_folio NULL
+#define buffer_migrate_folio_norefs NULL
+#endif
void buffer_init(void);
@@ -402,7 +405,7 @@ bool block_dirty_folio(struct address_space *mapping, struct folio *folio);
#else /* CONFIG_BLOCK */
static inline void buffer_init(void) {}
-static inline int try_to_free_buffers(struct page *page) { return 1; }
+static inline bool try_to_free_buffers(struct folio *folio) { return true; }
static inline int inode_has_buffers(struct inode *inode) { return 0; }
static inline void invalidate_inode_buffers(struct inode *inode) {}
static inline int remove_inode_buffers(struct inode *inode) { return 1; }