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diff -up util-linux-2.23.2/lib/loopdev.c.kzak util-linux-2.23.2/lib/loopdev.c
--- util-linux-2.23.2/lib/loopdev.c.kzak 2014-09-25 10:16:23.521897462 +0200
+++ util-linux-2.23.2/lib/loopdev.c 2014-09-25 10:23:38.852050990 +0200
@@ -1129,6 +1129,12 @@ static int loopcxt_check_size(struct loo
return -errno;
}
+ /* It's block device, so, align to 512-byte sectors */
+ if (expected_size % 512) {
+ DBG(lc, loopdev_debug("expected size misaligned to 512-byte sectors"));
+ expected_size = (expected_size >> 9) << 9;
+ }
+
if (expected_size != size) {
DBG(lc, loopdev_debug("warning: loopdev and expected "
"size dismatch (%ju/%ju)",
diff -up util-linux-2.23.2/sys-utils/losetup.c.kzak util-linux-2.23.2/sys-utils/losetup.c
--- util-linux-2.23.2/sys-utils/losetup.c.kzak 2014-09-25 10:16:23.521897462 +0200
+++ util-linux-2.23.2/sys-utils/losetup.c 2014-09-25 10:23:38.852050990 +0200
@@ -632,11 +632,7 @@ int main(int argc, char **argv)
/* errors */
errpre = hasdev && loopcxt_get_fd(&lc) < 0 ?
loopcxt_get_device(&lc) : file;
- if (errno == ERANGE && offset && offset % 512)
- warnx(_("%s: failed to set up loop device, "
- "offset is not 512-byte aligned."), errpre);
- else
- warn(_("%s: failed to set up loop device"), errpre);
+ warn(_("%s: failed to set up loop device"), errpre);
break;
} while (hasdev == 0);