From 0ac55489d9e3898987b2ae305844cf2af86e6b8d Mon Sep 17 00:00:00 2001 From: Alasdair G Kergon Date: Fri, 27 Jul 2012 15:08:08 +0100 Subject: [PATCH] dm: use bool bitfields in struct dm_target Use boolean bit fields for flags in struct dm_target. Signed-off-by: Alasdair G Kergon --- drivers/md/dm-crypt.c | 2 +- drivers/md/dm-raid1.c | 2 +- drivers/md/dm-thin.c | 8 ++++---- include/linux/device-mapper.h | 6 +++--- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 330f1eaedc4..00a25ab987c 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -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; diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 819ccba6591..596a3a1164a 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -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); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index ee5a3fc93b0..026215566ab 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -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); diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index bdd65e97a12..eb753633b57 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -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 */