X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=cmd%2Fzfs%2Fzfs_main.c;h=761c9f76a9fec578a9be85ebe1494e833daf7eea;hb=cf81b00a73fe47fdb21586ac1cc179b734540973;hp=82a6d569fcac852548cece15cb80d4ca148e940d;hpb=4c069d349440cbf1ebe234d65b53ab41eaea5569;p=zfs.git

diff --git a/cmd/zfs/zfs_main.c b/cmd/zfs/zfs_main.c
index 82a6d56..761c9f7 100644
--- a/cmd/zfs/zfs_main.c
+++ b/cmd/zfs/zfs_main.c
@@ -229,7 +229,7 @@ get_usage(zfs_help_t idx)
 		return (gettext("\tlist [-rH][-d max] "
 		    "[-o property[,...]] [-t type[,...]] [-s property] ...\n"
 		    "\t    [-S property] ... "
-		    "[filesystem|volume|snapshot] ...\n"));
+		    "[filesystem|volume|snapshot|snap] ...\n"));
 	case HELP_MOUNT:
 		return (gettext("\tmount\n"
 		    "\tmount [-vO] [-o opts] <-a | filesystem>\n"));
@@ -254,7 +254,7 @@ get_usage(zfs_help_t idx)
 	case HELP_SHARE:
 		return (gettext("\tshare <-a | filesystem>\n"));
 	case HELP_SNAPSHOT:
-		return (gettext("\tsnapshot [-r] [-o property=value] ... "
+		return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
 		    "<filesystem@snapname|volume@snapname>\n"));
 	case HELP_UNMOUNT:
 		return (gettext("\tunmount [-f] "
@@ -2374,7 +2374,7 @@ zfs_do_userspace(int argc, char **argv)
 	boolean_t prtnum = B_FALSE;
 	boolean_t parseable = B_FALSE;
 	boolean_t sid2posix = B_FALSE;
-	int error;
+	int error = 0;
 	int c;
 	zfs_sort_column_t *default_sortcol = NULL;
 	zfs_sort_column_t *sortcol = NULL;
@@ -2766,7 +2766,7 @@ zfs_do_list(int argc, char **argv)
 			flags &= ~ZFS_ITER_PROP_LISTSNAPS;
 			while (*optarg != '\0') {
 				static char *type_subopts[] = { "filesystem",
-				    "volume", "snapshot", "all", NULL };
+				    "volume", "snapshot", "snap", "all", NULL };
 
 				switch (getsubopt(&optarg, type_subopts,
 				    &value)) {
@@ -2777,9 +2777,10 @@ zfs_do_list(int argc, char **argv)
 					types |= ZFS_TYPE_VOLUME;
 					break;
 				case 2:
+				case 3:
 					types |= ZFS_TYPE_SNAPSHOT;
 					break;
-				case 3:
+				case 4:
 					types = ZFS_TYPE_DATASET;
 					break;
 
@@ -2834,7 +2835,7 @@ zfs_do_list(int argc, char **argv)
 	zfs_free_sort_columns(sortcol);
 
 	if (ret == 0 && cb.cb_first && !cb.cb_scripted)
-		(void) printf(gettext("no datasets available\n"));
+		(void) fprintf(stderr, gettext("no datasets available\n"));
 
 	return (ret);
 }
@@ -5139,7 +5140,7 @@ zfs_do_holds(int argc, char **argv)
 	print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl);
 
 	if (nvlist_empty(nvl))
-		(void) printf(gettext("no datasets available\n"));
+		(void) fprintf(stderr, gettext("no datasets available\n"));
 
 	nvlist_free(nvl);
 
@@ -5469,7 +5470,7 @@ share_mount(int op, int argc, char **argv)
 	int flags = 0;
 
 	/* check options */
-	while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:" : "a"))
+	while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a"))
 	    != -1) {
 		switch (c) {
 		case 'a':
@@ -5491,7 +5492,9 @@ share_mount(int op, int argc, char **argv)
 			/* option validation is done later */
 			append_options(options, optarg);
 			break;
-
+		case 'O':
+			flags |= MS_OVERLAY;
+			break;
 		case ':':
 			(void) fprintf(stderr, gettext("missing argument for "
 			    "'%c' option\n"), optopt);
@@ -6160,6 +6163,12 @@ main(int argc, char **argv)
 		cmdname = "receive";
 
 	/*
+	 * The 'snap' command is an alias for 'snapshot'
+	 */
+	if (strcmp(cmdname, "snap") == 0)
+		cmdname = "snapshot";
+
+	/*
 	 * Special case '-?'
 	 */
 	if ((strcmp(cmdname, "-?") == 0) ||