dm: use bool bitfields in struct dm_target
Use boolean bit fields for flags in struct dm_target. Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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@ -1694,7 +1694,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
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}
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}
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ti->num_flush_requests = 1;
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ti->num_flush_requests = 1;
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ti->discard_zeroes_data_unsupported = 1;
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ti->discard_zeroes_data_unsupported = true;
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return 0;
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return 0;
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@ -1088,7 +1088,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
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ti->num_flush_requests = 1;
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ti->num_flush_requests = 1;
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ti->num_discard_requests = 1;
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ti->num_discard_requests = 1;
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ti->discard_zeroes_data_unsupported = 1;
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ti->discard_zeroes_data_unsupported = true;
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ms->kmirrord_wq = alloc_workqueue("kmirrord",
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ms->kmirrord_wq = alloc_workqueue("kmirrord",
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WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);
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WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);
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@ -2053,7 +2053,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
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* stacking of discard limits (this keeps the pool and
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* stacking of discard limits (this keeps the pool and
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* thin devices' discard limits consistent).
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* thin devices' discard limits consistent).
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*/
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*/
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ti->discards_supported = 1;
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ti->discards_supported = true;
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}
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}
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ti->private = pt;
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ti->private = pt;
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@ -2656,11 +2656,11 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
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/* In case the pool supports discards, pass them on. */
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/* In case the pool supports discards, pass them on. */
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if (tc->pool->pf.discard_enabled) {
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if (tc->pool->pf.discard_enabled) {
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ti->discards_supported = 1;
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ti->discards_supported = true;
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ti->num_discard_requests = 1;
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ti->num_discard_requests = 1;
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ti->discard_zeroes_data_unsupported = 1;
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ti->discard_zeroes_data_unsupported = true;
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/* Discard requests must be split on a block boundary */
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/* Discard requests must be split on a block boundary */
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ti->split_discard_requests = 1;
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ti->split_discard_requests = true;
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}
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}
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dm_put(pool_md);
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dm_put(pool_md);
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@ -221,18 +221,18 @@ struct dm_target {
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* Set if this target needs to receive discards regardless of
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* Set if this target needs to receive discards regardless of
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* whether or not its underlying devices have support.
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* whether or not its underlying devices have support.
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*/
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*/
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unsigned discards_supported:1;
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bool discards_supported:1;
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/*
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/*
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* Set if the target required discard request to be split
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* Set if the target required discard request to be split
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* on max_io_len boundary.
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* on max_io_len boundary.
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*/
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*/
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unsigned split_discard_requests:1;
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bool split_discard_requests:1;
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/*
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/*
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* Set if this target does not return zeroes on discarded blocks.
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* Set if this target does not return zeroes on discarded blocks.
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*/
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*/
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unsigned discard_zeroes_data_unsupported:1;
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bool discard_zeroes_data_unsupported:1;
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};
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};
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/* Each target can link one of these into the table */
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/* Each target can link one of these into the table */
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