dm cache: optimize commit_if_needed
authorHeinz Mauelshagen <heinzm@redhat.com>
Mon, 14 Oct 2013 15:24:43 +0000 (17:24 +0200)
committerMike Snitzer <snitzer@redhat.com>
Sat, 9 Nov 2013 23:20:24 +0000 (18:20 -0500)
commitffcbcb6720ab6a4bb6e0a51b3711e8c60872d281
tree68cad35eb1e891e819979babe5b00775ed186ba0
parent40c57f475f416ab241124e1e6a593b2f982eaae3
dm cache: optimize commit_if_needed

Check commit_requested flag _before_ calling
dm_cache_changed_this_transaction() superfluously.

Also, be sure to set last_commit_jiffies _after_ dm_cache_commit()
completes.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-cache-target.c