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(parent: da8d1ba) | patch
quota: Make quota stat accounting lockless.
authorDmitry Monakhov <dmonakhov@openvz.org>
Mon, 26 Apr 2010 16:03:33 +0000 (20:03 +0400)
committerJan Kara <jack@suse.cz>
Fri, 21 May 2010 17:30:41 +0000 (19:30 +0200)
commitdde9588853b1bde542eab247f8838c472806688f
tree9f9c68bf63120056517bbfce78b75e6820cc4c4btree | snapshot
parentda8d1ba22fa1fd0c0e541a43d75ebb062589b14bcommit | 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>
fs/quota/dquot.c diff | blob | history
fs/quota/quota_tree.c diff | blob | history
fs/quota/quota_v1.c diff | blob | history
include/linux/quota.h diff | blob | history
Domain: System / Kernel;