From b536f69a3a589113992c32982bf2981c8225c9da Mon Sep 17 00:00:00 2001 From: Alex Elder Date: Sun, 28 Apr 2013 23:32:34 -0500 Subject: [PATCH] rbd: set up devices only for mapped images Stop setting up Linux devices during the image probe operation. Instead, set up the devices as a separate step after the image probe, in rbd_add(). A consequence of this is that only mapped images get devices assigned to them, which is pretty sweet. This resolves: http://tracker.ceph.com/issues/4774 Signed-off-by: Alex Elder Reviewed-by: Josh Durgin --- drivers/block/rbd.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 57e56617e45f..d41f97690343 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4879,10 +4879,6 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev) goto err_out_snaps; ret = rbd_dev_probe_parent(rbd_dev); - if (ret) - goto err_out_snaps; - - ret = rbd_dev_device_setup(rbd_dev); if (!ret) return 0; @@ -4964,9 +4960,12 @@ static ssize_t rbd_add(struct bus_type *bus, if (rc < 0) goto err_out_rbd_dev; - return count; + rc = rbd_dev_device_setup(rbd_dev); + if (!rc) + return count; + + rbd_dev_image_release(rbd_dev); err_out_rbd_dev: - kfree(rbd_dev->header_name); rbd_dev_destroy(rbd_dev); err_out_client: rbd_put_client(rbdc); @@ -5029,7 +5028,6 @@ static void rbd_dev_remove_parent(struct rbd_device *rbd_dev) second = third; } rbd_assert(second); - rbd_bus_del_dev(second); rbd_dev_image_release(second); first->parent = NULL; first->parent_overlap = 0; -- 2.20.1