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Commit e4d27509 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

ceph: remove call to bdi_unregister 



bdi_destroy already does all the work, and if we delay freeing the
anon bdev we can get away with just that single call.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent b83ae6d4

fs/ceph/super.c

+6 −12
Original line number Diff line number Diff line
@@ -40,17 +40,6 @@ static void ceph_put_super(struct super_block *s) 


	dout("put_super\n");

	ceph_mdsc_close_sessions(fsc->mdsc);



	/*

	 * ensure we release the bdi before put_anon_super releases

	 * the device name.

	 */

	if (s->s_bdi == &fsc->backing_dev_info) {

		bdi_unregister(&fsc->backing_dev_info);

		s->s_bdi = NULL;

	}



	return;

}



static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
@@ -1002,11 +991,16 @@ 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);

	kill_anon_super(s);    /* will call put_super after sb is r/o */

	generic_shutdown_super(s);

	ceph_mdsc_destroy(fsc);



	destroy_fs_client(fsc);

	free_anon_bdev(dev);

}



static struct file_system_type ceph_fs_type = {