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authorYan, Zheng <zyan@redhat.com>2018-05-18 16:05:51 +0800
committerIlya Dryomov <idryomov@gmail.com>2018-06-04 20:45:57 +0200
commita57d9064e4ee4e9882b922d0627be3d426004c69 (patch)
treed8d6d9d245a12f5650afd944576499894b47cd71 /fs/ceph/super.c
parent12b69d5f6fe4064147ddb7e7ea2d4fa4aea3eab5 (diff)
ceph: flush pending works before shutdown super
Pending works hold inode references, which cause "Busy inodes after unmount" warning. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/super.c')
-rw-r--r--fs/ceph/super.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 40664e13cc0f..a092cdb69288 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -674,6 +674,13 @@ fail:
return ERR_PTR(err);
}
+static void flush_fs_workqueues(struct ceph_fs_client *fsc)
+{
+ flush_workqueue(fsc->wb_wq);
+ flush_workqueue(fsc->pg_inv_wq);
+ flush_workqueue(fsc->trunc_wq);
+}
+
static void destroy_fs_client(struct ceph_fs_client *fsc)
{
dout("destroy_fs_client %p\n", fsc);
@@ -1089,6 +1096,8 @@ static void ceph_kill_sb(struct super_block *s)
dout("kill_sb %p\n", s);
ceph_mdsc_pre_umount(fsc->mdsc);
+ flush_fs_workqueues(fsc);
+
generic_shutdown_super(s);
fsc->client->extra_mon_dispatch = NULL;