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| author |   Jan Kara <jack@suse.cz> | 2010-04-28 19:04:29 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2010-05-21 19:30:46 +0200 |
| commit | ae4f6ef13417deaa49471c0e903914a3ef3be258 (patch) | |
| tree | b8ba5499a8ad69678a232ece4d64d18447063054 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | ocfs2: Do not map blocks from local quota file on each write (diff) | |
| download | wireguard-linux-ae4f6ef13417deaa49471c0e903914a3ef3be258.tar.xz wireguard-linux-ae4f6ef13417deaa49471c0e903914a3ef3be258.zip | |
ocfs2: Avoid unnecessary block mapping when refreshing quota info
The position of global quota file info does not change. So we do not have
to do logical -> physical block translation every time we reread it from
disk. Thus we can also avoid taking ip_alloc_sem.
Acked-by: Joel Becker <Joel.Becker@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions