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[PATCH] BLOCK: Move functions out of buffer code [try #6]

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Move some functions out of the buffering code that aren't strictly buffering
specific.  This is a precursor to being able to disable the block layer.

 (*) Moved some stuff out of fs/buffer.c:

     (*) The file sync and general sync stuff moved to fs/sync.c.

     (*) The superblock sync stuff moved to fs/super.c.

     (*) do_invalidatepage() moved to mm/truncate.c.

     (*) try_to_release_page() moved to mm/filemap.c.

 (*) Moved some related declarations between header files:

     (*) declarations for do_invalidatepage() and try_to_release_page() moved
     	 to linux/mm.h.

     (*) __set_page_dirty_buffers() moved to linux/buffer_head.h.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
David Howells
2006-08-29 19:05:54 +01:00
committed by Jens Axboe
parent 4090959aee
commit cf9a2ae8d4
9 changed files with 204 additions and 177 deletions
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3
include/linux/buffer_head.h
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@ -190,9 +190,7 @@ extern int buffer_heads_over_limit;
* Generic address_space_operations implementations for buffer_head-backed
* address_spaces.
*/
int try_to_release_page(struct page * page, gfp_t gfp_mask);
void block_invalidatepage(struct page *page, unsigned long offset);
void do_invalidatepage(struct page *page, unsigned long offset);
int block_write_full_page(struct page *page, get_block_t *get_block,
struct writeback_control *wbc);
int block_read_full_page(struct page*, get_block_t*);
@ -302,4 +300,5 @@ static inline void lock_buffer(struct buffer_head *bh)
__lock_buffer(bh);
}
extern int __set_page_dirty_buffers(struct page *page);
#endif /* _LINUX_BUFFER_HEAD_H */