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>

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>
Alasdair G Kergon
1 parent 16ad3d103d
Showing 4 changed files with 9 additions and 9 deletions Side-by-side Diff
drivers/md/dm-crypt.c
drivers/md/dm-raid1.c
drivers/md/dm-thin.c
include/linux/device-mapper.h
@@ -1694,7 +1694,7 @@
 	}
  
 	ti->num_flush_requests = 1;
-	ti->discard_zeroes_data_unsupported = 1;
+	ti->discard_zeroes_data_unsupported = true;
  
 	return 0;
  
@@ -1088,7 +1088,7 @@
  
 	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);
@@ -2053,7 +2053,7 @@
 		 * 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 @@
  
 	/* 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);
@@ -221,18 +221,18 @@
 	 * 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 */
...	...	@@ -1694,7 +1694,7 @@
1694	1694	}
1695	1695
1696	1696	ti->num_flush_requests = 1;
1697		- ti->discard_zeroes_data_unsupported = 1;
	1697	+ ti->discard_zeroes_data_unsupported = true;
1698	1698
1699	1699	return 0;
1700	1700
...	...	@@ -1088,7 +1088,7 @@
1088	1088
1089	1089	ti->num_flush_requests = 1;
1090	1090	ti->num_discard_requests = 1;
1091		- ti->discard_zeroes_data_unsupported = 1;
	1091	+ ti->discard_zeroes_data_unsupported = true;
1092	1092
1093	1093	ms->kmirrord_wq = alloc_workqueue("kmirrord",
1094	1094	WQ_NON_REENTRANT \| WQ_MEM_RECLAIM, 0);
...	...	@@ -2053,7 +2053,7 @@
2053	2053	* stacking of discard limits (this keeps the pool and
2054	2054	* thin devices' discard limits consistent).
2055	2055	*/
2056		- ti->discards_supported = 1;
	2056	+ ti->discards_supported = true;
2057	2057	}
2058	2058	ti->private = pt;
2059	2059
2060	2060
2061	2061
...	...	@@ -2656,11 +2656,11 @@
2656	2656
2657	2657	/* In case the pool supports discards, pass them on. */
2658	2658	if (tc->pool->pf.discard_enabled) {
2659		- ti->discards_supported = 1;
	2659	+ ti->discards_supported = true;
2660	2660	ti->num_discard_requests = 1;
2661		- ti->discard_zeroes_data_unsupported = 1;
	2661	+ ti->discard_zeroes_data_unsupported = true;
2662	2662	/* Discard requests must be split on a block boundary */
2663		- ti->split_discard_requests = 1;
	2663	+ ti->split_discard_requests = true;
2664	2664	}
2665	2665
2666	2666	dm_put(pool_md);
...	...	@@ -221,18 +221,18 @@
221	221	* Set if this target needs to receive discards regardless of
222	222	* whether or not its underlying devices have support.
223	223	*/
224		- unsigned discards_supported:1;
	224	+ bool discards_supported:1;
225	225
226	226	/*
227	227	* Set if the target required discard request to be split
228	228	* on max_io_len boundary.
229	229	*/
230		- unsigned split_discard_requests:1;
	230	+ bool split_discard_requests:1;
231	231
232	232	/*
233	233	* Set if this target does not return zeroes on discarded blocks.
234	234	*/
235		- unsigned discard_zeroes_data_unsupported:1;
	235	+ bool discard_zeroes_data_unsupported:1;
236	236	};
237	237
238	238	/* Each target can link one of these into the table */