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-rw-r--r--fs/ocfs2/slot_map.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index 47bba1be2a51..1e09592148ad 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -502,8 +502,17 @@ int ocfs2_find_slot(struct ocfs2_super *osb)
trace_ocfs2_find_slot(osb->slot_num);
status = ocfs2_update_disk_slot(osb, si, osb->slot_num);
- if (status < 0)
+ if (status < 0) {
mlog_errno(status);
+ /*
+ * if write block failed, invalidate slot to avoid overwrite
+ * slot during dismount in case another node rightly has mounted
+ */
+ spin_lock(&osb->osb_lock);
+ ocfs2_invalidate_slot(si, osb->slot_num);
+ osb->slot_num = OCFS2_INVALID_SLOT;
+ spin_unlock(&osb->osb_lock);
+ }
bail:
return status;