| commit | 8d280b98cfe3c0b69c37d355218975c1c0279bb0 | [log] [tgz] |
|---|---|---|
| author | David Chinner <dgc@sgi.com> | Tue Mar 14 13:13:09 2006 +1100 |
| committer | Nathan Scott <nathans@sgi.com> | Tue Mar 14 13:13:09 2006 +1100 |
| tree | 2dc1deaec23a7da29b72152a4225c2600dacf1d4 | |
| parent | 9f4cbecd7e5ee6390fecd6032dc04ca8c9805dc9 [diff] |
[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>