On Wed, Apr 18, 2012 at 11:03:33PM -0400, Mikulas Patocka wrote: > Hi > > I placed dm lock optimization patches here > > http://people.redhat.com/mpatocka/patches/kernel/dm-lock-optimization/ Just a heads up that sparse gives some warnings with these patches: drivers/md/dm.c:689:24: warning: context imbalance in 'dm_get_live_table_fast' - wrong count at exit drivers/md/dm.c:695:13: warning: context imbalance in 'dm_put_live_table_fast' - unexpected unlock drivers/md/dm.c:1789:17: warning: context imbalance in 'dm_request_fn' - unexpected unlock - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel