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

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Pull Ceph fix from Sage Weil:
 "It's a simple fix for a hard to hit race, but low-risk and clearly
  correct"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  rbd: do a safe list traversal in rbd_img_request_submit()
This commit is contained in:
Linus Torvalds 2013-04-17 12:52:02 -07:00
commit 96d8683483
1 changed files with 2 additions and 1 deletions
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3
drivers/block/rbd.c
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@ -1742,9 +1742,10 @@ static int rbd_img_request_submit(struct rbd_img_request *img_request)
struct rbd_device *rbd_dev = img_request->rbd_dev;
struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc;
struct rbd_obj_request *obj_request;
struct rbd_obj_request *next_obj_request;
dout("%s: img %p\n", __func__, img_request);
for_each_obj_request(img_request, obj_request) {
for_each_obj_request_safe(img_request, obj_request, next_obj_request) {
int ret;
obj_request->callback = rbd_img_obj_callback;