From: Karel Zak <kzak@redhat.com>
Date: Wed, 21 Dec 2011 14:38:59 +0000 (+0100)
Subject: losetup: rewrite -f
X-Git-Tag: v2.21-rc1~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bcdbdc72cb1a8817729902725071506e6f9b49c7;p=thirdparty%2Futil-linux.git

losetup: rewrite -f

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/losetup.c b/sys-utils/losetup.c
index d4a97a3903..0d8bd858d0 100644
--- a/sys-utils/losetup.c
+++ b/sys-utils/losetup.c
@@ -1038,6 +1038,7 @@ int main(int argc, char **argv)
 			encryption = optarg;
 			break;
 		case 'f':
+			act = A_FIND_FREE;
 			find = 1;
 			break;
 		case 'h':
@@ -1087,6 +1088,12 @@ int main(int argc, char **argv)
 	case A_DELETE_ALL:
 		res = delete_all_loops(&lc);
 		break;
+	case A_FIND_FREE:
+		if (loopcxt_find_unused(&lc))
+			warn(_("find unused loop device failed"));
+		else
+			printf("%s\n", loopcxt_get_device(&lc));
+		break;
 	case A_SHOW:
 		res = show_all_loops(&lc, file, offset, flags);
 		break;