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(parent: c200d98) | 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)
commit9de7e14a1a9c6bc4f9be6ccd9b951341a80dbd52
tree5255e73d42a6d601041f1e82056b02da77fe9c8atree | snapshot (tar.gz zip)
parentc200d9868707150abd37853cb341b54f75461208commit | 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 | blame | history
include/linux/drbd_genl.h diff | blob | blame | history
include/linux/drbd_limits.h diff | blob | blame | history