diff options
author | Joel Becker <joel.becker@oracle.com> | 2008-10-09 20:20:34 -0400 |
---|---|---|
committer | Mark Fasheh <mfasheh@suse.com> | 2008-10-14 14:58:22 -0400 |
commit | d4a8c93c8248534bdedb07f83c9aebd6f7d1d579 (patch) | |
tree | f978a7b36d515c29657f271ca5b70281c911a82f /fs/ocfs2/buffer_head_io.h | |
parent | 5e0b3dec0107540244ba343f983ef4f972db20de (diff) |
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, | |||
49 | int ocfs2_write_super_or_backup(struct ocfs2_super *osb, | 49 | int ocfs2_write_super_or_backup(struct ocfs2_super *osb, |
50 | struct buffer_head *bh); | 50 | struct buffer_head *bh); |
51 | 51 | ||
52 | #define OCFS2_BH_CACHED 1 | 52 | #define OCFS2_BH_IGNORE_CACHE 1 |
53 | #define OCFS2_BH_READAHEAD 8 | 53 | #define OCFS2_BH_READAHEAD 8 |
54 | 54 | ||
55 | static inline int ocfs2_read_block(struct inode *inode, u64 off, | 55 | 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, | |||
63 | goto bail; | 63 | goto bail; |
64 | } | 64 | } |
65 | 65 | ||
66 | status = ocfs2_read_blocks(inode, off, 1, bh, OCFS2_BH_CACHED); | 66 | status = ocfs2_read_blocks(inode, off, 1, bh, 0); |
67 | 67 | ||
68 | bail: | 68 | bail: |
69 | return status; | 69 | return status; |