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| author | Mark Fasheh <mark.fasheh@oracle.com> | 2006-04-21 13:49:02 -0700 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-09-20 15:53:40 -0700 |
| commit | aa9588741db907785e4d92c8b768dd6c9077e6f0 (patch) | |
| tree | d34da288a9d296a8a2ba19dfa0f1df8429bd3e33 /fs/ocfs2/namei.c | |
| parent | e0b4096d34fbd6b30838c417100c9d0ef73c71f2 (diff) | |
| download | op-kernel-dev-aa9588741db907785e4d92c8b768dd6c9077e6f0.zip op-kernel-dev-aa9588741db907785e4d92c8b768dd6c9077e6f0.tar.gz | |
ocfs2: implement directory read-ahead
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>
Diffstat (limited to 'fs/ocfs2/namei.c')
| -rw-r--r-- | fs/ocfs2/namei.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 2412647..0d3e939 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -56,6 +56,7 @@ #include "journal.h" #include "namei.h" #include "suballoc.h" +#include "super.h" #include "symlink.h" #include "sysfile.h" #include "uptodate.h" @@ -1962,13 +1963,8 @@ restart: } num++; - /* XXX: questionable readahead stuff here */ bh = ocfs2_bread(dir, b++, &err, 1); bh_use[ra_max] = bh; -#if 0 // ??? - if (bh) - ll_rw_block(READ, 1, &bh); -#endif } } if ((bh = bh_use[ra_ptr++]) == NULL) @@ -1976,6 +1972,10 @@ restart: wait_on_buffer(bh); if (!buffer_uptodate(bh)) { /* read error, skip block & hope for the best */ + ocfs2_error(dir->i_sb, "reading directory %llu, " + "offset %lu\n", + (unsigned long long)OCFS2_I(dir)->ip_blkno, + block); brelse(bh); goto next; } |
