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authorLars Ellenberg <lars.ellenberg@linbit.com>2014-07-09 23:18:32 +0400
committerJens Axboe <axboe@fb.com>2014-07-10 13:06:03 +0400
commitbbc1c5e8ad6dfebf9d13b8a4ccdf66c92913eac9 (patch)
tree5493cdbd6b5912d1c71c5934695d1d382a41c397 /block
parentd45b3279a5a2252cafcd665bbf2db8c9b31ef783 (diff)
downloadlinux-bbc1c5e8ad6dfebf9d13b8a4ccdf66c92913eac9.tar.xz
drbd: fix regression 'out of mem, failed to invoke fence-peer helper'
Since linux kernel 3.13, kthread_run() internally uses wait_for_completion_killable(). We sometimes may use kthread_run() while we still have a signal pending, which we used to kick our threads out of potentially blocking network functions, causing kthread_run() to mistake that as a new fatal signal and fail. Fix: flush_signals() before kthread_run(). 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>
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