1). A minor grammar error was corrected in main() when the ENOENT

	case is handled.

2). In both files, the header and the C code, these options are now
	accepted as passed through by mount in util-linux-2.24 when it execs mount.zfs:

	acl
	noacl
	posixacl

cmd/mount_zfs/mount_zfs.c

@@ -61,6 +61,10 @@ static const option_map_t option_map[] = {
 	{ MNTOPT_SYNC,		MS_SYNCHRONOUS,	ZS_COMMENT	},
 	{ MNTOPT_USER,		MS_USERS,	ZS_COMMENT	},
 	{ MNTOPT_USERS,		MS_USERS,	ZS_COMMENT	},
+	/* acl flags passed with util-linux-2.24 mount command */
+	{ MNTOPT_ACL,		MS_COMMENT,	ZS_COMMENT	},
+	{ MNTOPT_NOACL,		MS_COMMENT,	ZS_COMMENT	},
+	{ MNTOPT_POSIXACL,	MS_COMMENT,	ZS_COMMENT	},
 #ifdef MS_NOATIME
 	{ MNTOPT_NOATIME,	MS_NOATIME,	ZS_COMMENT	},
 #endif
@@ -409,8 +413,7 @@ main(int argc, char **argv)
 	}
 
 	/* validate mount options and set mntflags */
-	error = parse_options(mntopts, &mntflags, &zfsflags, sloppy,
-	    badopt, mtabopt);
+	error = parse_options(mntopts, &mntflags, &zfsflags, sloppy, badopt, mtabopt);
 	if (error) {
 		switch (error) {
 		case ENOMEM:
@@ -420,7 +423,7 @@ main(int argc, char **argv)
 			return (MOUNT_SYSERR);
 		case ENOENT:
 			(void) fprintf(stderr, gettext("filesystem '%s' "
-			    "cannot be mounted of due invalid option "
+			    "cannot be mounted due to invalid option "
 			    "'%s'.\n"), dataset, badopt);
 			(void) fprintf(stderr, gettext("Use the '-s' option "
 			    "to ignore the bad mount option.\n"));

lib/libspl/include/sys/mntent.h

@@ -94,6 +94,10 @@
 #define	MNTOPT_COMMENT	"comment"	/* comment */
 #define	MNTOPT_ZFSUTIL	"zfsutil"	/* called by zfs utility */
 
+#define MNTOPT_ACL	"acl"		/* parameters passed by util-linux-2.24 mount */
+#define MNTOPT_NOACL	"noacl"		/* likewise */
+#define MNTOPT_POSIXACL	"posixacl"	/* likewise */
+
 #define ZS_COMMENT	0x00000000	/* comment */
 #define ZS_ZFSUTIL	0x00000001	/* caller is zfs(8) */
 #define ZS_NOCONTEXT	0x00000002	/* do not add selinux context */