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-rw-r--r--fs/ceph/super.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index d40658d5e808..0e38678d5add 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1174,14 +1174,23 @@ out_final:
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);
+ /*
+ * Though the kill_anon_super() will finally trigger the
+ * sync_filesystem() anyway, we still need to do it here
+ * and then bump the stage of shutdown to stop the work
+ * queue as earlier as possible.
+ */
+ sync_filesystem(s);
+
+ fsc->mdsc->stopping = CEPH_MDSC_STOPPING_FLUSHED;
+
+ kill_anon_super(s);
fsc->client->extra_mon_dispatch = NULL;
ceph_fs_debugfs_cleanup(fsc);
@@ -1189,7 +1198,6 @@ 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 = {