From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Elder Subject: [PATCH 6/9] rbd: call rbd_init_disk() sooner Date: Fri, 07 Sep 2012 10:45:11 -0500 Message-ID: <504A1687.9080104@inktank.com> References: <504A152E.4000905@inktank.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-iy0-f174.google.com ([209.85.210.174]:36790 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751857Ab2IGPpO (ORCPT ); Fri, 7 Sep 2012 11:45:14 -0400 Received: by mail-iy0-f174.google.com with SMTP id k25so3327563iah.19 for ; Fri, 07 Sep 2012 08:45:14 -0700 (PDT) In-Reply-To: <504A152E.4000905@inktank.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Call rbd_init_disk() from rbd_add() as soon as we have the major device number for the mapping. Signed-off-by: Alex Elder --- drivers/block/rbd.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 53e5308..8e82610 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2619,10 +2619,16 @@ static ssize_t rbd_add(struct bus_type *bus, goto err_out_id; rbd_dev->major = rc; - rc = rbd_bus_add_dev(rbd_dev); + /* Set up the blkdev mapping. */ + + rc = rbd_init_disk(rbd_dev); if (rc) goto err_out_blkdev; + rc = rbd_bus_add_dev(rbd_dev); + if (rc) + goto err_out_disk; + /* * At this point cleanup in the event of an error is the job * of the sysfs code (initiated by rbd_bus_del_dev()). @@ -2634,12 +2640,6 @@ static ssize_t rbd_add(struct bus_type *bus, up_write(&rbd_dev->header_rwsem); - /* Set up the blkdev mapping. */ - - rc = rbd_init_disk(rbd_dev); - if (rc) - goto err_out_bus; - /* Everything's ready. Announce the disk to the world. */ set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE); @@ -2662,6 +2662,8 @@ err_out_bus: kfree(options); return rc; +err_out_disk: + rbd_free_disk(rbd_dev); err_out_blkdev: unregister_blkdev(rbd_dev->major, rbd_dev->name); err_out_id: -- 1.7.9.5