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drbd: merge_bvec_fn: properly remap bvm->bi_bdev
authorLars Ellenberg <lars.ellenberg@linbit.com>
Mon, 10 Nov 2014 16:21:13 +0000 (17:21 +0100)
committerJiri Slaby <jslaby@suse.cz>
Thu, 29 Jan 2015 14:45:10 +0000 (15:45 +0100)
commitcadd029e2f3710a6f57160275b0a3ba69971fab3
tree29029638dfd5c576edc6fe7eb12f6de029a41f1etree
parentf2da668ec5d70f00271297ce374d80d86c121e22commit | diff
drbd: merge_bvec_fn: properly remap bvm->bi_bdev

commit 3b9d35d744bb5139f9fed57f38c019bb8c7d351c upstream.

This was not noticed for many years. Affects operation if
md raid is used a backing device for DRBD.

CC: stable@kernel.org # v3.2+
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
drivers/block/drbd/drbd_req.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git