Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/ceph/caps.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 01877f91b85b..6220425e2a9c 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3491,14 +3491,26 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
bool wake_mdsc = false;
list_for_each_entry_safe(cf, tmp_cf, &ci->i_cap_flush_list, i_list) {
+ /* Is this the one that was flushed? */
if (cf->tid == flush_tid)
cleaned = cf->caps;
- if (cf->caps == 0) /* capsnap */
+
+ /* Is this a capsnap? */
+ if (cf->caps == 0)
continue;
+
if (cf->tid <= flush_tid) {
+ /*
+ * An earlier or current tid. The FLUSH_ACK should
+ * represent a superset of this flush's caps.
+ */
wake_ci |= __detach_cap_flush_from_ci(ci, cf);
list_add_tail(&cf->i_list, &to_remove);
} else {
+ /*
+ * This is a later one. Any caps in it are still dirty
+ * so don't count them as cleaned.
+ */
cleaned &= ~cf->caps;
if (!cleaned)
break;
--
2.25.1
