LU-4223 utils: fixing loop leaking in utils

[fs/lustre-release.git] / lustre / utils / mount_utils.c

diff --git a/lustre/utils/mount_utils.c b/lustre/utils/mount_utils.c
index e0502fe..5c9a845 100644 (file)
--- a/lustre/utils/mount_utils.c
+++ b/lustre/utils/mount_utils.c
@@ -368,11 +368,23 @@ int loop_setup(struct mkfs_opts *mop)
 int loop_cleanup(struct mkfs_opts *mop)
 {
        char cmd[150];
-       int ret = 1;
+       int ret = 0;
+
        if ((mop->mo_flags & MO_IS_LOOP) && *mop->mo_loopdev) {
+               int tries;
+
                sprintf(cmd, "losetup -d %s", mop->mo_loopdev);
-               ret = run_command(cmd, sizeof(cmd));
+               for (tries = 0; tries < 3; tries++) {
+                       ret = run_command(cmd, sizeof(cmd));
+                       if (ret == 0)
+                               break;
+                       sleep(1);
+               }
        }
+
+       if (ret != 0)
+               fprintf(stderr, "cannot cleanup %s: rc = %d\n",
+                       mop->mo_loopdev, ret);
        return ret;
 }