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Commit a57d9064 authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
Browse files

ceph: flush pending works before shutdown super 



Pending works hold inode references, which cause "Busy inodes after
unmount" warning.

Signed-off-by: default avatar"Yan, Zheng" <zyan@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 12b69d5f

fs/ceph/super.c

+9 −0
Original line number Original line Diff line number Diff line
@@ -674,6 +674,13 @@ static struct ceph_fs_client *create_fs_client(struct ceph_mount_options *fsopt, 
	return ERR_PTR(err);

	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)

static void destroy_fs_client(struct ceph_fs_client *fsc)

{

{

	dout("destroy_fs_client %p\n", 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);

	dout("kill_sb %p\n", s);





	ceph_mdsc_pre_umount(fsc->mdsc);

	ceph_mdsc_pre_umount(fsc->mdsc);

	flush_fs_workqueues(fsc);



	generic_shutdown_super(s);

	generic_shutdown_super(s);





	fsc->client->extra_mon_dispatch = NULL;

	fsc->client->extra_mon_dispatch = NULL;