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>
diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h
index a2ef9e5..75e1dcb 100644
--- a/fs/ocfs2/buffer_head_io.h
+++ b/fs/ocfs2/buffer_head_io.h
@@ -49,7 +49,7 @@
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 @@
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;