Fix various typos

Correct an assortment of typos throughout the code base.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #11774

module/zfs/abd.c

@@ -381,7 +381,7 @@ abd_gang_add_gang(abd_t *pabd, abd_t *cabd, boolean_t free_on_free)
 		    child = list_next(&ABD_GANG(cabd).abd_gang_chain, child)) {
 			/*
 			 * We always pass B_FALSE for free_on_free as it is the
-			 * original child gang ABDs responsibilty to determine
+			 * original child gang ABDs responsibility to determine
 			 * if any of its child ABDs should be free'd on the call
 			 * to abd_free().
 			 */

module/zfs/arc.c

@@ -5036,7 +5036,7 @@ arc_reap_cb(void *arg, zthr_t *zthr)
 	 * memory in the system at a fraction of the arc_size (1/128th by
 	 * default).  If oversubscribed (free_memory < 0) then reduce the
 	 * target arc_size by the deficit amount plus the fractional
-	 * amount.  If free memory is positive but less then the fractional
+	 * amount.  If free memory is positive but less than the fractional
 	 * amount, reduce by what is needed to hit the fractional amount.
 	 */
 	free_memory = arc_available_memory();

module/zfs/dsl_bookmark.c

@@ -236,7 +236,7 @@ dsl_bookmark_create_check_impl(dsl_pool_t *dp,
 		error = SET_ERROR(EEXIST);
 		goto eholdnewbmds;
 	default:
-		/* dsl_bookmark_lookup_impl already did SET_ERRROR */
+		/* dsl_bookmark_lookup_impl already did SET_ERROR */
 		goto eholdnewbmds;
 	}
 
@@ -271,7 +271,7 @@ dsl_bookmark_create_check_impl(dsl_pool_t *dp,
 			error = SET_ERROR(ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR);
 			break;
 		default:
-			/* dsl_bookmark_lookup already did SET_ERRROR */
+			/* dsl_bookmark_lookup already did SET_ERROR */
 			break;
 		}
 	} else {
@@ -536,7 +536,7 @@ dsl_bookmark_create_sync_impl_book(
 	 * Reasoning:
 	 * - The zbm_redaction_obj would be referred to by both source and new
 	 *   bookmark, but would be destroyed once either source or new is
-	 *   destroyed, resulting in use-after-free of the referrred object.
+	 *   destroyed, resulting in use-after-free of the referred object.
 	 * - User expectation when issuing the `zfs bookmark` command is that
 	 *   a normal bookmark of the source is created
 	 *

module/zfs/spa.c

@@ -6496,7 +6496,7 @@ spa_vdev_add(spa_t *spa, nvlist_t *nvroot)
 
 	/*
 	 * The virtual dRAID spares must be added after vdev tree is created
-	 * and the vdev guids are generated.  The guid of their assoicated
+	 * and the vdev guids are generated.  The guid of their associated
 	 * dRAID is stored in the config and used when opening the spare.
 	 */
 	if ((error = vdev_draid_spare_create(nvroot, vd, &ndraid,

module/zfs/vdev.c

@@ -1372,7 +1372,7 @@ vdev_metaslab_group_create(vdev_t *vd)
 
 		/*
 		 * The spa ashift min/max only apply for the normal metaslab
-		 * class. Class destination is late binding so ashift boundry
+		 * class. Class destination is late binding so ashift boundary
 		 * setting had to wait until now.
 		 */
 		if (vd->vdev_top == vd && vd->vdev_ashift != 0 &&
@@ -2046,7 +2046,7 @@ vdev_open(vdev_t *vd)
 		vd->vdev_max_asize = max_asize;
 
 		/*
-		 * If the vdev_ashift was not overriden at creation time,
+		 * If the vdev_ashift was not overridden at creation time,
 		 * then set it the logical ashift and optimize the ashift.
 		 */
 		if (vd->vdev_ashift == 0) {
@@ -2116,7 +2116,7 @@ vdev_open(vdev_t *vd)
 	}
 
 	/*
-	 * Track the the minimum allocation size.
+	 * Track the minimum allocation size.
 	 */
 	if (vd->vdev_top == vd && vd->vdev_ashift != 0 &&
 	    vd->vdev_islog == 0 && vd->vdev_aux == NULL) {
@@ -4570,7 +4570,7 @@ vdev_stat_update(zio_t *zio, uint64_t psize)
 
 			/*
 			 * Solely for the purposes of 'zpool iostat -lqrw'
-			 * reporting use the priority to catagorize the IO.
+			 * reporting use the priority to categorize the IO.
 			 * Only the following are reported to user space:
 			 *
 			 *   ZIO_PRIORITY_SYNC_READ,

module/zfs/vdev_raidz.c

@@ -1984,7 +1984,7 @@ raidz_reconstruct(zio_t *zio, int *ltgts, int ntgts, int nparity)
  *      2   4 5  first: increment to 3
  *        3 4 5  done
  *
- * This strategy works for dRAID but is less effecient when there are a large
+ * This strategy works for dRAID but is less efficient when there are a large
  * number of child vdevs and therefore permutations to check. Furthermore,
  * since the raidz_map_t rows likely do not overlap reconstruction would be
  * possible as long as there are no more than nparity data errors per row.

module/zfs/vdev_rebuild.c

@@ -81,7 +81,7 @@
  * Advantages:
  *
  *   - Sequential reconstruction is performed in LBA order which may be faster
- *     than healing reconstruction particularly when using using HDDs (or
+ *     than healing reconstruction particularly when using HDDs (or
  *     especially with SMR devices).  Only allocated capacity is resilvered.
  *
  *   - Sequential reconstruction is not constrained by ZFS block boundaries.

module/zfs/zfs_ioctl.c

@@ -233,7 +233,7 @@ unsigned long zfs_max_nvlist_src_size = 0;
 
 /*
  * When logging the output nvlist of an ioctl in the on-disk history, limit
- * the logged size to this many bytes.  This must be less then DMU_MAX_ACCESS.
+ * the logged size to this many bytes.  This must be less than DMU_MAX_ACCESS.
  * This applies primarily to zfs_ioc_channel_program().
  */
 unsigned long zfs_history_output_max = 1024 * 1024;