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-rw-r--r--fs/dlm/lock.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 1899bb266e2e..d19cfa03c9bb 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1578,6 +1578,7 @@ static int _remove_from_waiters(struct dlm_lkb *lkb, int mstype,
lkb->lkb_wait_type = 0;
lkb->lkb_flags &= ~DLM_IFL_OVERLAP_CANCEL;
lkb->lkb_wait_count--;
+ unhold_lkb(lkb);
goto out_del;
}
@@ -1604,6 +1605,7 @@ static int _remove_from_waiters(struct dlm_lkb *lkb, int mstype,
log_error(ls, "remwait error %x reply %d wait_type %d overlap",
lkb->lkb_id, mstype, lkb->lkb_wait_type);
lkb->lkb_wait_count--;
+ unhold_lkb(lkb);
lkb->lkb_wait_type = 0;
}
@@ -5364,11 +5366,16 @@ int dlm_recover_waiters_post(struct dlm_ls *ls)
lkb->lkb_flags &= ~DLM_IFL_OVERLAP_UNLOCK;
lkb->lkb_flags &= ~DLM_IFL_OVERLAP_CANCEL;
lkb->lkb_wait_type = 0;
- lkb->lkb_wait_count = 0;
+ /* drop all wait_count references we still
+ * hold a reference for this iteration.
+ */
+ while (lkb->lkb_wait_count) {
+ lkb->lkb_wait_count--;
+ unhold_lkb(lkb);
+ }
mutex_lock(&ls->ls_waiters_mutex);
list_del_init(&lkb->lkb_wait_reply);
mutex_unlock(&ls->ls_waiters_mutex);
- unhold_lkb(lkb); /* for waiters list */
if (oc || ou) {
/* do an unlock or cancel instead of resending */