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| author | Christoph Hellwig <hch@infradead.org> | 2011-12-06 21:58:17 +0000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2011-12-13 16:46:28 -0600 |
| commit | be7ffc38a80a78e6b68d0f51fae8e8d57b55324c (patch) | |
| tree | bb5ca49fd1dc92051e9898a653d7bdd26c93af59 /fs/xfs/xfs_trace.h | |
| parent | 80a376bfb7f8ff8f1942cb1bdd0052e908918252 (diff) | |
| download | linux-stable-be7ffc38a80a78e6b68d0f51fae8e8d57b55324c.tar.gz linux-stable-be7ffc38a80a78e6b68d0f51fae8e8d57b55324c.tar.bz2 linux-stable-be7ffc38a80a78e6b68d0f51fae8e8d57b55324c.zip | |
xfs: implement lazy removal for the dquot freelist
Do not remove dquots from the freelist when we grab a reference to them in
xfs_qm_dqlookup, but leave them on the freelist util scanning notices that
they have a reference. This speeds up the lookup fastpath, and greatly
simplifies the lock ordering constraints. Note that the same scheme is
used by the VFS inode and dentry caches.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
| -rw-r--r-- | fs/xfs/xfs_trace.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 494035798873..a9d5b1e06efe 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -743,8 +743,6 @@ DEFINE_DQUOT_EVENT(xfs_dqtobp_read); DEFINE_DQUOT_EVENT(xfs_dqread); DEFINE_DQUOT_EVENT(xfs_dqread_fail); DEFINE_DQUOT_EVENT(xfs_dqlookup_found); -DEFINE_DQUOT_EVENT(xfs_dqlookup_want); -DEFINE_DQUOT_EVENT(xfs_dqlookup_freelist); DEFINE_DQUOT_EVENT(xfs_dqlookup_done); DEFINE_DQUOT_EVENT(xfs_dqget_hit); DEFINE_DQUOT_EVENT(xfs_dqget_miss); |