Illumos #3742

3742 zfs comments need cleaner, more consistent style
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>

References:
  https://www.illumos.org/issues/3742
  illumos/illumos-gate@f717074149

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775

Porting notes:

1. The change to zfs_vfsops.c was dropped because it involves
   zfs_mount_label_policy, which does not exist in the Linux port.

include/sys/zfs_acl.h

@@ -47,7 +47,8 @@ struct znode_phys;
 #define	ZFS_ACL_VERSION		ZFS_ACL_VERSION_FUID
 
 /*
- * ZFS ACLs are store in various forms.
+ * ZFS ACLs (Access Control Lists) are stored in various forms.
+ *
  * Files created with ACL version ZFS_ACL_VERSION_INITIAL
  * will all be created with fixed length ACEs of type
  * zfs_oldace_t.
@@ -137,8 +138,8 @@ typedef struct acl_ops {
 	size_t		(*ace_size)(void *acep); /* how big is this ace */
 	size_t		(*ace_abstract_size)(void); /* sizeof abstract entry */
 	int		(*ace_mask_off)(void); /* off of access mask in ace */
+	/* ptr to data if any */
 	int		(*ace_data)(void *acep, void **datap);
-			    /* ptr to data if any */
 } acl_ops_t;
 
 /*