| commit | dde9588853b1bde542eab247f8838c472806688f | [log] [tgz] |
|---|---|---|
| author | Dmitry Monakhov <dmonakhov@openvz.org> | Mon Apr 26 20:03:33 2010 +0400 |
| committer | Jan Kara <jack@suse.cz> | Fri May 21 19:30:41 2010 +0200 |
| tree | 9f9c68bf63120056517bbfce78b75e6820cc4c4b | |
| parent | da8d1ba22fa1fd0c0e541a43d75ebb062589b14b [diff] |
quota: Make quota stat accounting lockless.
Quota stats is mostly writable data structure. Let's alloc percpu
bucket for each value.
NOTE: dqstats_read() function is racy against dqstats_{inc,dec}
and may return inconsistent value. But this is ok since absolute
accuracy is not required.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>