diff options
| author | Jens Axboe <axboe@suse.de> | 2004-08-22 22:37:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-08-22 22:37:06 -0700 |
| commit | d2a8285687638fad1fb6b4b5e7e809330e21b1eb (patch) | |
| tree | 8742fbe009a8523471e293eab190bf7f07f1dd59 /include/linux/buffer_head.h | |
| parent | 1e11a6c0c4d9a2cce94ac36e3eb6ab5c1c9eb912 (diff) | |
[PATCH] disk barriers: core
IDE disk barrier core.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/buffer_head.h')
| -rw-r--r-- | include/linux/buffer_head.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 6d70bd5393e6..b94bd82e6099 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -26,6 +26,7 @@ enum bh_state_bits { BH_Delay, /* Buffer is not yet allocated on disk */ BH_Boundary, /* Block is followed by a discontiguity */ BH_Write_EIO, /* I/O error on write */ + BH_Ordered, /* ordered write */ BH_PrivateStart,/* not a state bit, but the first bit available * for private allocation by other entities @@ -110,7 +111,8 @@ BUFFER_FNS(Async_Read, async_read) BUFFER_FNS(Async_Write, async_write) BUFFER_FNS(Delay, delay) BUFFER_FNS(Boundary, boundary) -BUFFER_FNS(Write_EIO,write_io_error) +BUFFER_FNS(Write_EIO, write_io_error) +BUFFER_FNS(Ordered, ordered) #define bh_offset(bh) ((unsigned long)(bh)->b_data & ~PAGE_MASK) #define touch_buffer(bh) mark_page_accessed(bh->b_page) @@ -173,7 +175,7 @@ void FASTCALL(unlock_buffer(struct buffer_head *bh)); void FASTCALL(__lock_buffer(struct buffer_head *bh)); void ll_rw_block(int, int, struct buffer_head * bh[]); void sync_dirty_buffer(struct buffer_head *bh); -void submit_bh(int, struct buffer_head *); +int submit_bh(int, struct buffer_head *); void write_boundary_block(struct block_device *bdev, sector_t bblock, unsigned blocksize); |