dlm: use kref_put_lock in __put_lkb
authorAlexander Aring <aahringo@redhat.com>
Mon, 2 May 2022 15:14:10 +0000 (11:14 -0400)
committerDavid Teigland <teigland@redhat.com>
Mon, 2 May 2022 16:23:49 +0000 (11:23 -0500)
commit8e51ec6146fdec82f7308f89113497631013f16a
treeb2ca657b32bb99488d760c16832ca5c9f909550a
parent9502a7f688fe7bff297b4e1b64622e0da9b27d78
dlm: use kref_put_lock in __put_lkb

This patch will optimize __put_lkb() by using kref_put_lock(). The
function kref_put_lock() will only take the lock if the reference is
going to be zero, if not the lock will never be held.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
fs/dlm/lock.c