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Commit 0ac55489 authored by Alasdair G Kergon's avatar Alasdair G Kergon
Browse files

dm: use bool bitfields in struct dm_target 



Use boolean bit fields for flags in struct dm_target.

Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 16ad3d10

drivers/md/dm-crypt.c

+1 −1
Original line number Diff line number Diff line
@@ -1694,7 +1694,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) 
	}



	ti->num_flush_requests = 1;

	ti->discard_zeroes_data_unsupported = 1;

	ti->discard_zeroes_data_unsupported = true;



	return 0;

drivers/md/dm-raid1.c

+1 −1
Original line number Diff line number Diff line
@@ -1088,7 +1088,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) 


	ti->num_flush_requests = 1;

	ti->num_discard_requests = 1;

	ti->discard_zeroes_data_unsupported = 1;

	ti->discard_zeroes_data_unsupported = true;



	ms->kmirrord_wq = alloc_workqueue("kmirrord",

					  WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);

drivers/md/dm-thin.c

+4 −4
Original line number Diff line number Diff line
@@ -2053,7 +2053,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv) 
		 * stacking of discard limits (this keeps the pool and

		 * thin devices' discard limits consistent).

		 */

		ti->discards_supported = 1;

		ti->discards_supported = true;

	}

	ti->private = pt;
@@ -2656,11 +2656,11 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) 


	/* In case the pool supports discards, pass them on. */

	if (tc->pool->pf.discard_enabled) {

		ti->discards_supported = 1;

		ti->discards_supported = true;

		ti->num_discard_requests = 1;

		ti->discard_zeroes_data_unsupported = 1;

		ti->discard_zeroes_data_unsupported = true;

		/* Discard requests must be split on a block boundary */

		ti->split_discard_requests = 1;

		ti->split_discard_requests = true;

	}



	dm_put(pool_md);

include/linux/device-mapper.h

+3 −3
Original line number Diff line number Diff line
@@ -221,18 +221,18 @@ struct dm_target { 
	 * Set if this target needs to receive discards regardless of

	 * whether or not its underlying devices have support.

	 */

	unsigned discards_supported:1;

	bool discards_supported:1;



	/*

	 * Set if the target required discard request to be split

	 * on max_io_len boundary.

	 */

	unsigned split_discard_requests:1;

	bool split_discard_requests:1;



	/*

	 * Set if this target does not return zeroes on discarded blocks.

	 */

	unsigned discard_zeroes_data_unsupported:1;

	bool discard_zeroes_data_unsupported:1;

};



/* Each target can link one of these into the table */