From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
When client wants to release an imported cap, it's possible there
is no reserved cap_release message in corresponding mds session.
so __queue_cap_release causes kernel panic.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
fs/ceph/caps.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index c90b245..7e90299 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2832,6 +2832,9 @@ void ceph_handle_caps(struct ceph_mds_session *session,
dout(" mds%d seq %lld cap seq %u\n", session->s_mds, session->s_seq,
(unsigned)seq);
+ if (op == CEPH_CAP_OP_IMPORT)
+ ceph_add_cap_releases(mdsc, session);
+
/* lookup ino */
inode = ceph_find_inode(sb, vino);
ci = ceph_inode(inode);
--
1.7.11.7
--
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