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| 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/slot_map.c | |
| 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/slot_map.c')
| -rw-r--r-- | fs/ocfs2/slot_map.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index 357d3fe18c3f..bdda2d8f8508 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -150,7 +150,8 @@ int ocfs2_refresh_slot_info(struct ocfs2_super *osb) * be !NULL. Thus, ocfs2_read_blocks() will ignore blocknr. If * this is not true, the read of -1 (UINT64_MAX) will fail. */ - ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, 0); + ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, + OCFS2_BH_IGNORE_CACHE); if (ret == 0) { spin_lock(&osb->osb_lock); ocfs2_update_slot_info(si); @@ -403,7 +404,8 @@ static int ocfs2_map_slot_buffers(struct ocfs2_super *osb, (unsigned long long)blkno); bh = NULL; /* Acquire a fresh bh */ - status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, 0); + status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; |