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dm: use bool bitfields in struct dm_target

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Use boolean bit fields for flags in struct dm_target.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Alasdair G Kergon 2012-07-27 15:08:08 +01:00
parent 16ad3d103d
commit 0ac55489d9
4 changed files with 9 additions and 9 deletions
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2
drivers/md/dm-crypt.c
View File

@ -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;

2
drivers/md/dm-raid1.c
View File

@ -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);

8
drivers/md/dm-thin.c
View File

@ -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);

6
include/linux/device-mapper.h
View File

@ -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 */