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| author | David Chinner <dgc@sgi.com> | 2006-03-14 13:13:09 +1100 |
|---|---|---|
| committer | Nathan Scott <nathans@sgi.com> | 2006-03-14 13:13:09 +1100 |
| commit | 8d280b98cfe3c0b69c37d355218975c1c0279bb0 (patch) | |
| tree | 2dc1deaec23a7da29b72152a4225c2600dacf1d4 /fs/xfs/xfs_vfsops.c | |
| parent | 9f4cbecd7e5ee6390fecd6032dc04ca8c9805dc9 (diff) | |
| download | linux-8d280b98cfe3c0b69c37d355218975c1c0279bb0.tar.gz linux-8d280b98cfe3c0b69c37d355218975c1c0279bb0.tar.bz2 linux-8d280b98cfe3c0b69c37d355218975c1c0279bb0.zip | |
[XFS] On machines with more than 8 cpus, when running parallel I/O
threads, the incore superblock lock becomes the limiting factor for
buffered write throughput. Make the contended fields in the incore
superblock use per-cpu counters so that there is no global lock to limit
scalability.
SGI-PV: 946630
SGI-Modid: xfs-linux-melb:xfs-kern:25106a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_vfsops.c')
| -rw-r--r-- | fs/xfs/xfs_vfsops.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 2a0a9efb8ccb..2e1045837881 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -55,7 +55,7 @@ #include "xfs_clnt.h" #include "xfs_fsops.h" -STATIC int xfs_sync(bhv_desc_t *, int, cred_t *); +STATIC int xfs_sync(bhv_desc_t *, int, cred_t *); int xfs_init(void) @@ -807,6 +807,7 @@ xfs_statvfs( statp->f_type = XFS_SB_MAGIC; + xfs_icsb_sync_counters_lazy(mp); s = XFS_SB_LOCK(mp); statp->f_bsize = sbp->sb_blocksize; lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0; |