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-rw-r--r--include/linux/buffer_head.h27
1 files changed, 6 insertions, 21 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 1b9ba193b789..43e649a72529 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -203,12 +203,10 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block,
int block_read_full_page(struct page*, get_block_t*);
int block_is_partially_uptodate(struct page *page, read_descriptor_t *desc,
unsigned long from);
-int block_write_begin_newtrunc(struct file *, struct address_space *,
- loff_t, unsigned, unsigned,
- struct page **, void **, get_block_t*);
-int block_write_begin(struct file *, struct address_space *,
- loff_t, unsigned, unsigned,
- struct page **, void **, get_block_t*);
+int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len,
+ unsigned flags, 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 *,
loff_t, unsigned, unsigned,
struct page *, void *);
@@ -217,9 +215,6 @@ int generic_write_end(struct file *, struct address_space *,
struct page *, void *);
void page_zero_new_buffers(struct page *page, unsigned from, unsigned to);
int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*);
-int cont_write_begin_newtrunc(struct file *, struct address_space *, loff_t,
- unsigned, unsigned, struct page **, void **,
- get_block_t *, loff_t *);
int cont_write_begin(struct file *, struct address_space *, loff_t,
unsigned, unsigned, struct page **, void **,
get_block_t *, loff_t *);
@@ -230,12 +225,7 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
void block_sync_page(struct page *);
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 file_fsync(struct file *, int);
-int nobh_write_begin_newtrunc(struct file *, struct address_space *,
- loff_t, unsigned, unsigned,
- struct page **, void **, get_block_t*);
-int nobh_write_begin(struct file *, struct address_space *,
- loff_t, unsigned, unsigned,
+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,
@@ -314,15 +304,10 @@ map_bh(struct buffer_head *bh, struct super_block *sb, sector_t block)
bh->b_size = sb->s_blocksize;
}
-/*
- * Calling wait_on_buffer() for a zero-ref buffer is illegal, so we call into
- * __wait_on_buffer() just to trip a debug check. Because debug code in inline
- * functions is bloaty.
- */
static inline void wait_on_buffer(struct buffer_head *bh)
{
might_sleep();
- if (buffer_locked(bh) || atomic_read(&bh->b_count) == 0)
+ if (buffer_locked(bh))
__wait_on_buffer(bh);
}