This is a note to let you know that I've just added the patch titled
ceph: use kill_anon_super helper
to the 5.4-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-use-kill_anon_super-helper.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2f22d19ba3619587f1ec07b768391239ab942fcc
Author: Jeff Layton <jlayton@xxxxxxxxxx>
Date: Fri Sep 11 15:19:00 2020 -0400
ceph: use kill_anon_super helper
[ Upstream commit 470a5c77eac0e07bfe60413fb3d314b734392bc3 ]
ceph open-codes this around some other activity and the rationale
for it isn't clear. There is no need to delay free_anon_bdev until
the end of kill_sb.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Stable-dep-of: e7e607bd0048 ("ceph: defer stopping mdsc delayed_work")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index d40658d5e8089..279334f955702 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1174,14 +1174,13 @@ static struct dentry *ceph_mount(struct file_system_type *fs_type,
static void ceph_kill_sb(struct super_block *s)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(s);
- dev_t dev = s->s_dev;
dout("kill_sb %p\n", s);
ceph_mdsc_pre_umount(fsc->mdsc);
flush_fs_workqueues(fsc);
- generic_shutdown_super(s);
+ kill_anon_super(s);
fsc->client->extra_mon_dispatch = NULL;
ceph_fs_debugfs_cleanup(fsc);
@@ -1189,7 +1188,6 @@ static void ceph_kill_sb(struct super_block *s)
ceph_fscache_unregister_fs(fsc);
destroy_fs_client(fsc);
- free_anon_bdev(dev);
}
static struct file_system_type ceph_fs_type = {
