From: Davidlohr Bueso <dave@gnu.org>
Date: Sat, 9 Apr 2011 00:20:53 +0000 (-0300)
Subject: mkswap: add alignment check
X-Git-Tag: v2.20-rc1~358
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=95fa64da98fcb9ab1cfbd51c93cf2ee4972a814e;p=thirdparty%2Futil-linux.git

mkswap: add alignment check

This patch produces the program to warn if the given device is misaligned.

[kzak@redhat.com: - call the check for block devices only]

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/disk-utils/mkswap.c b/disk-utils/mkswap.c
index 599b9b047c..a621641a09 100644
--- a/disk-utils/mkswap.c
+++ b/disk-utils/mkswap.c
@@ -599,6 +599,8 @@ main(int argc, char **argv) {
 		errx(EXIT_FAILURE, _("error: "
 			"%s is mounted; will not make swapspace."),
 			device_name);
+	else if (blkdev_is_misaligned(DEV))
+		warnx(_("warning: %s is misaligned"), device_name);
 
 	if (check)
 		check_blocks();