From: Patrick Donnelly <pdonnell@xxxxxxxxxx>
Log recovered from a user's cluster:
<7>[ 5413.970692] ceph: get_cap_refs 00000000958c114b ret 1 got Fr
<7>[ 5413.970695] ceph: start_read 00000000958c114b, no cache cap
...
<7>[ 5473.934609] ceph: my wanted = Fr, used = Fr, dirty -
<7>[ 5473.934616] ceph: revocation: pAsLsXsFr -> pAsLsXs (revoking Fr)
<7>[ 5473.934632] ceph: __ceph_caps_issued 00000000958c114b cap 00000000f7784259 issued pAsLsXs
<7>[ 5473.934638] ceph: check_caps 10000000e68.fffffffffffffffe file_want - used Fr dirty - flushing - issued pAsLsXs revoking Fr retain pAsLsXsFsr AUTHONLY NOINVAL FLUSH_FORCE
The MDS subsequently complains that the kernel client is late releasing caps.
Closes: https://tracker.ceph.com/issues/67008
Fixes: a5c9dc4451394b2854493944dcc0ff71af9705a3 ("ceph: Make ceph_init_request() check caps on readahead")
Signed-off-by: Patrick Donnelly <pdonnell@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
fs/ceph/addr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 53fef258c2bc..702c6a730b70 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -489,8 +489,11 @@ static int ceph_init_request(struct netfs_io_request *rreq, struct file *file)
rreq->io_streams[0].sreq_max_len = fsc->mount_options->rsize;
out:
- if (ret < 0)
+ if (ret < 0) {
+ if (got)
+ ceph_put_cap_refs(ceph_inode(inode), got);
kfree(priv);
+ }
return ret;
}
base-commit: e32cde8d2bd7d251a8f9b434143977ddf13dcec6
--
Patrick Donnelly, Ph.D.
He / Him / His
Red Hat Partner Engineer
IBM, Inc.
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
