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ocfs2: implement directory read-ahead

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Uptodate.c now knows about read-ahead buffers. Use some more aggressive
logic in ocfs2_readdir().

The two functions which currently use directory read-ahead are
ocfs2_find_entry() and ocfs2_readdir().

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Mark Fasheh
2006-04-21 13:49:02 -07:00
parent e0b4096d34
commit aa9588741d
7 changed files with 114 additions and 46 deletions
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2
fs/ocfs2/buffer_head_io.h
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@ -49,7 +49,7 @@ int ocfs2_read_blocks(struct ocfs2_super *osb,
#define OCFS2_BH_CACHED 1
#define OCFS2_BH_READAHEAD 8 /* use this to pass READA down to submit_bh */
#define OCFS2_BH_READAHEAD 8
static inline int ocfs2_read_block(struct ocfs2_super * osb, u64 off,
struct buffer_head **bh, int flags,