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authorXiubo Li <xiubli@redhat.com>2023-07-25 07:03:59 +0300
committerIlya Dryomov <idryomov@gmail.com>2023-08-02 01:13:02 +0300
commite7e607bd00481745550389a29ecabe33e13d67cf (patch)
treeabea17b8ea26354393ddaa1123a7a8e126e7f8a9 /fs/ceph/mds_client.c
parent5d0c230f1de8c7515b6567d9afba1f196fb4e2f4 (diff)
downloadlinux-e7e607bd00481745550389a29ecabe33e13d67cf.tar.xz
ceph: defer stopping mdsc delayed_work
Flushing the dirty buffer may take a long time if the cluster is overloaded or if there is network issue. So we should ping the MDSs periodically to keep alive, else the MDS will blocklist the kclient. Cc: stable@vger.kernel.org Link: https://tracker.ceph.com/issues/61843 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Milind Changire <mchangir@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 66048a86c480..5fb367b1d4b0 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -4764,7 +4764,7 @@ static void delayed_work(struct work_struct *work)
dout("mdsc delayed_work\n");
- if (mdsc->stopping)
+ if (mdsc->stopping >= CEPH_MDSC_STOPPING_FLUSHED)
return;
mutex_lock(&mdsc->mutex);
@@ -4943,7 +4943,7 @@ void send_flush_mdlog(struct ceph_mds_session *s)
void ceph_mdsc_pre_umount(struct ceph_mds_client *mdsc)
{
dout("pre_umount\n");
- mdsc->stopping = 1;
+ mdsc->stopping = CEPH_MDSC_STOPPING_BEGIN;
ceph_mdsc_iterate_sessions(mdsc, send_flush_mdlog, true);
ceph_mdsc_iterate_sessions(mdsc, lock_unlock_session, false);