tree 9f9c68bf63120056517bbfce78b75e6820cc4c4b
parent da8d1ba22fa1fd0c0e541a43d75ebb062589b14b
author Dmitry Monakhov <dmonakhov@openvz.org> 1272297813 +0400
committer Jan Kara <jack@suse.cz> 1274463041 +0200

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>