Commit 396a27e9 authored Jul 04, 2024 by Damien Le Moal Committed by Mikulas Patocka Jul 10, 2024

dm: Remove max_write_zeroes_granularity



The max_write_zeroes_granularity boolean of struct dm_target is used in
__process_abnormal_io() but never set by any target. Remove this field
and the dead code using it.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

parent 7017ded0

drivers/md/dm.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -1664,8 +1664,6 @@ static blk_status_t __process_abnormal_io(struct clone_info *ci,
		case REQ_OP_WRITE_ZEROES:
		num_bios = ti->num_write_zeroes_bios;
		max_sectors = limits->max_write_zeroes_sectors;
		if (ti->max_write_zeroes_granularity)
		max_granularity = max_sectors;
		break;
		default:
		break;

include/linux/device-mapper.h

+0 −6

Original line number	Diff line number	Diff line
		@@ -369,12 +369,6 @@ struct dm_target {
		*/
		bool max_secure_erase_granularity:1;

		/*
		* Set if this target requires that write_zeroes be split on
		* 'max_write_zeroes_sectors' boundaries.
		*/
		bool max_write_zeroes_granularity:1;

		/*
		* Set if we need to limit the number of in-flight bios when swapping.
		*/