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| author | Chris Mason <chris.mason@oracle.com> | 2010-04-22 00:04:43 +0400 |
|---|---|---|
| committer | Andy Grover <andy.grover@oracle.com> | 2010-09-09 05:12:26 +0400 |
| commit | 976673ee1b92d939168c8c1fbad3e16c45caa545 (patch) | |
| tree | 36c682f96789118bebe0c14e3a5a5353b184a22b /Documentation | |
| parent | ce47f52f42e69d48d1b63fa618fce9cd7ffa9417 (diff) | |
| download | linux-976673ee1b92d939168c8c1fbad3e16c45caa545.tar.xz | |
rds: switch to rwlock on bind_lock
The bind_lock is almost entirely readonly, but it gets
hammered during normal operations and is a major bottleneck.
This commit changes it to an rwlock, which takes it from 80%
of the system time on a big numa machine down to much lower
numbers.
A better fix would involve RCU, which is done in a later commit
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions