Re: [PATCH] block: allow max_discard_segments to be stacked
From: Jens Axboe <axboe@kernel.dk>
Date: 2018-07-24 20:47:11
Also in:
dm-devel
On 7/20/18 11:57 AM, Mike Snitzer wrote:
Set max_discard_segments to USHRT_MAX in blk_set_stacking_limits() so that blk_stack_limits() can stack up this limit for stacked devices. before: $ cat /sys/block/nvme0n1/queue/max_discard_segments 256 $ cat /sys/block/dm-0/queue/max_discard_segments 1 after: $ cat /sys/block/nvme0n1/queue/max_discard_segments 256 $ cat /sys/block/dm-0/queue/max_discard_segments 256
Applied, thanks Mike. -- Jens Axboe