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(parent: 778fd36) | patch
drbd: new disk-option disable-write-same
authorLars Ellenberg <lars.ellenberg@linbit.com>
Tue, 29 Aug 2017 08:20:38 +0000 (10:20 +0200)
committerJens Axboe <axboe@kernel.dk>
Tue, 29 Aug 2017 21:34:44 +0000 (15:34 -0600)
commit75af4daef9ee320ece27d7b5ab241e4dab61a498
tree5255e73d42a6d601041f1e82056b02da77fe9c8atree | snapshot
parent778fd361dfe176cbf265b22d40863b4745c05314commit | diff
drbd: new disk-option disable-write-same

Some backend devices claim to support write-same,
but would fail actual write-same requests.

Allow to set (or toggle) whether or not DRBD tries to support write-same.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/drbd/drbd_nl.c diff | blob | history
include/linux/drbd_genl.h diff | blob | history
include/linux/drbd_limits.h diff | blob | history
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