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OpenCloudOS-Kernel
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 

Pull Ceph fix from Sage Weil:
 "This fixes another problem with using v2 images on 3.10 due to the
  order in which fields are read from the image header.

  Hopefully this is the last one"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  rbd: fetch object order before using it
This commit is contained in:
Linus Torvalds 2013-06-26 08:47:46 -10:00
parent 1e876e3b1a 1617e40c1e
commit 78750f1908
1 changed files with 4 additions and 4 deletions
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8
drivers/block/rbd.c
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@ -4243,6 +4243,10 @@ static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev)
down_write(&rbd_dev->header_rwsem);
ret = rbd_dev_v2_image_size(rbd_dev);
if (ret)
goto out;
if (first_time) {
ret = rbd_dev_v2_header_onetime(rbd_dev);
if (ret)
@ -4276,10 +4280,6 @@ static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev)
"is EXPERIMENTAL!");
}
ret = rbd_dev_v2_image_size(rbd_dev);
if (ret)
goto out;
if (rbd_dev->spec->snap_id == CEPH_NOSNAP)
if (rbd_dev->mapping.size != rbd_dev->header.image_size)
rbd_dev->mapping.size = rbd_dev->header.image_size;