This is a note to let you know that I've just added the patch titled
ceph: flush cap releases when the session is flushed
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ceph-flush-cap-releases-when-the-session-is-flushed.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e7d84c6a1296d059389f7342d9b4b7defb518d3a Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@xxxxxxxxxx>
Date: Tue, 7 Feb 2023 13:04:52 +0800
Subject: ceph: flush cap releases when the session is flushed
From: Xiubo Li <xiubli@xxxxxxxxxx>
commit e7d84c6a1296d059389f7342d9b4b7defb518d3a upstream.
MDS expects the completed cap release prior to responding to the
session flush for cache drop.
Cc: stable@xxxxxxxxxxxxxxx
Link: http://tracker.ceph.com/issues/38009
Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx>
Reviewed-by: Venky Shankar <vshankar@xxxxxxxxxx>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ceph/mds_client.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3543,6 +3543,12 @@ static void handle_session(struct ceph_m
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;
Patches currently in stable-queue which might be from xiubli@xxxxxxxxxx are
queue-5.15/ceph-flush-cap-releases-when-the-session-is-flushed.patch
