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authorXiubo Li <xiubli@redhat.com>2023-02-07 08:04:52 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-02-14 21:11:53 +0300
commita89868254cd2079b800361e68f39ac4e57293080 (patch)
tree55f928d960772025035947dc0202cb23c59fe456 /fs
parent62890f3eabf80676c0fefbbdd88e0f3f12528032 (diff)
downloadlinux-a89868254cd2079b800361e68f39ac4e57293080.tar.xz
ceph: flush cap releases when the session is flushed
commit e7d84c6a1296d059389f7342d9b4b7defb518d3a upstream. MDS expects the completed cap release prior to responding to the session flush for cache drop. Cc: stable@vger.kernel.org Link: http://tracker.ceph.com/issues/38009 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Venky Shankar <vshankar@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/mds_client.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 26a0a8b9975e..756560df3bdb 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3662,6 +3662,12 @@ static void handle_session(struct ceph_mds_session *session,
break;
case CEPH_SESSION_FLUSHMSG:
+ /* flush cap releases */
+ spin_lock(&session->s_cap_lock);
+ if (session->s_num_cap_releases)
+ ceph_flush_cap_releases(mdsc, session);
+ spin_unlock(&session->s_cap_lock);
+
send_flushmsg_ack(mdsc, session, seq);
break;