Commit 3db409fa authored by Changwei Ge's avatar Changwei Ge Committed by Linus Torvalds

ocfs2/dlm: get mle inuse only when it is initialized

When dlm_add_migration_mle returns -EEXIST, previously input mle will
not be initialized.  So we can't use its associated dlm object.  And we
truly don't need this mle for already launched migration progress, since
oldmle has taken this role.

Link: http://lkml.kernel.org/r/63ADC13FD55D6546B7DECE290D39E373CED7AA61@H3CMLB14-EX.srv.huawei-3com.comSigned-off-by: default avatarChangwei Ge <ge.changwei@h3c.com>
Reviewed-by: default avatarJoseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 853bc26a
......@@ -2616,7 +2616,9 @@ static int dlm_migrate_lockres(struct dlm_ctxt *dlm,
* otherwise the assert_master from the new
* master will destroy this.
*/
dlm_get_mle_inuse(mle);
if (ret != -EEXIST)
dlm_get_mle_inuse(mle);
spin_unlock(&dlm->master_lock);
spin_unlock(&dlm->spinlock);
......
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