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| author |   Miao Xie <miaox@cn.fujitsu.com> | 2014-07-24 11:37:10 +0800 |
|---|---|---|
| committer |   Chris Mason <clm@fb.com> | 2014-09-17 13:37:45 -0700 |
| commit | d5ee37bcb1dff9c1d1cac5f7e5752309f1ff66b6 (patch) | |
| tree | 769d23c296d9630af81595dd2071d029682e0895 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | Btrfs: fix wrong generation check of super block on a seed device (diff) | |
| download | linux-dev-d5ee37bcb1dff9c1d1cac5f7e5752309f1ff66b6.tar.xz linux-dev-d5ee37bcb1dff9c1d1cac5f7e5752309f1ff66b6.zip | |
Btrfs: make the device lock and its protected data in the same cacheline
The lock in btrfs_device structure was far away from its protected data, it would
make CPU load the cache line twice when we accessed them, move them together.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions