From: Richard Jones <rjones@redhat.com>
Date: Fri, 30 Apr 2010 09:51:49 +0000 (+0100)
Subject: lvresize: Use --force so it can make LVs smaller (RHBZ#587484).
X-Git-Tag: 1.3.9~4
X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=commitdiff_plain;h=c24de46d06cc3ecccf00bfaaffb06172659cdd0a

lvresize: Use --force so it can make LVs smaller (RHBZ#587484).

This also adds a regression test for this bug.
---

diff --git a/daemon/lvm.c b/daemon/lvm.c
index e44f4c2..18d6519 100644
--- a/daemon/lvm.c
+++ b/daemon/lvm.c
@@ -267,7 +267,7 @@ do_lvresize (const char *logvol, int mbytes)
 
   r = command (NULL, &err,
                "lvm", "lvresize",
-               "-L", size, logvol, NULL);
+               "--force", "-L", size, logvol, NULL);
   if (r == -1) {
     reply_with_error ("%s", err);
     free (err);
diff --git a/src/generator.ml b/src/generator.ml
index 14cf462..766327e 100755
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -2585,7 +2585,14 @@ are activated or deactivated.");
        ["e2fsck_f"; "/dev/VG/LV"];
        ["resize2fs"; "/dev/VG/LV"];
        ["mount_options"; ""; "/dev/VG/LV"; "/"];
-       ["cat"; "/new"]], "test content")],
+       ["cat"; "/new"]], "test content");
+    InitNone, Always, TestRun (
+      (* Make an LV smaller to test RHBZ#587484. *)
+      [["part_disk"; "/dev/sda"; "mbr"];
+       ["pvcreate"; "/dev/sda1"];
+       ["vgcreate"; "VG"; "/dev/sda1"];
+       ["lvcreate"; "LV"; "VG"; "20"];
+       ["lvresize"; "/dev/VG/LV"; "10"]])],
    "resize an LVM logical volume",
    "\
 This resizes (expands or shrinks) an existing LVM logical