diff options
| author | Joel Becker <joel.becker@oracle.com> | 2008-10-10 02:20:34 +0200 |
|---|---|---|
| committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-14 20:58:22 +0200 |
| commit | d4a8c93c8248534bdedb07f83c9aebd6f7d1d579 (patch) | |
| tree | f978a7b36d515c29657f271ca5b70281c911a82f /fs/ocfs2/buffer_head_io.h | |
| parent | ocfs2: Kill the last naked wait_on_buffer() for cached reads. (diff) | |
| download | linux-d4a8c93c8248534bdedb07f83c9aebd6f7d1d579.tar.xz linux-d4a8c93c8248534bdedb07f83c9aebd6f7d1d579.zip | |
ocfs2: Make cached block reads the common case.
ocfs2_read_blocks() currently requires the CACHED flag for cached I/O.
However, that's the common case. Let's flip it around and provide an
IGNORE_CACHE flag for the special users. This has the added benefit of
cleaning up the code some (ignore_cache takes on its special meaning
earlier in the loop).
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/buffer_head_io.h')
| -rw-r--r-- | fs/ocfs2/buffer_head_io.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index a2ef9e5f8bfe..75e1dcb1ade7 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -49,7 +49,7 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, int ocfs2_write_super_or_backup(struct ocfs2_super *osb, struct buffer_head *bh); -#define OCFS2_BH_CACHED 1 +#define OCFS2_BH_IGNORE_CACHE 1 #define OCFS2_BH_READAHEAD 8 static inline int ocfs2_read_block(struct inode *inode, u64 off, @@ -63,7 +63,7 @@ static inline int ocfs2_read_block(struct inode *inode, u64 off, goto bail; } - status = ocfs2_read_blocks(inode, off, 1, bh, OCFS2_BH_CACHED); + status = ocfs2_read_blocks(inode, off, 1, bh, 0); bail: return status; |