| commit | c8123f8c9cb517403b51aa41c3c46ff5e10b2c17 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@fb.com> | Wed Feb 12 09:34:01 2014 -0700 |
| committer | Jens Axboe <axboe@fb.com> | Wed Feb 12 09:36:37 2014 -0700 |
| tree | 434d3614e79458bc86e64a61034cbe9448177ea5 | |
| parent | abb97b8c502a270d59c0c2e1ecea78ad752372ee [diff] |
block: add cond_resched() to potentially long running ioctl discard loop When mkfs issues a full device discard and the device only supports discards of a smallish size, we can loop in blkdev_issue_discard() for a long time. If preempt isn't enabled, this can turn into a softlock situation and the kernel will start complaining. Add an explicit cond_resched() at the end of the loop to avoid that. Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>