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(parent: 9d179b8) | patch
blk-rq-qos: fix first node deletion of rq_qos_del()
authorTejun Heo <tj@kernel.org>
Tue, 15 Oct 2019 15:49:27 +0000 (08:49 -0700)
committerJens Axboe <axboe@kernel.dk>
Tue, 15 Oct 2019 16:13:13 +0000 (10:13 -0600)
commit307f4065b9d7c1e887e8bdfb2487e4638559fea1
tree484ebf28578ff8532703c1b8d47b37f00120b052tree | snapshot
parent9d179b865449b351ad5cb76dbea480c9170d4a27commit | diff
blk-rq-qos: fix first node deletion of rq_qos_del()

rq_qos_del() incorrectly assigns the node being deleted to the head if
it was the first on the list in the !prev path.  Fix it by iterating
with ** instead.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Josef Bacik <josef@toxicpanda.com>
Fixes: a79050434b45 ("blk-rq-qos: refactor out common elements of blk-wbt")
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-rq-qos.h diff | blob | history
Domain: System / Kernel;