From: Eric Sandeen <sandeen@sgi.com>
Date: Mon, 14 Jan 2002 18:31:28 +0000 (+0000)
Subject: Don't try to zero last 64k on the device if the filesystem is in a regular
X-Git-Tag: v2.0.0~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9ea254da296c88bd1374d4f43062b9bff4327b4b;p=thirdparty%2Fxfsprogs-dev.git

Don't try to zero last 64k on the device if the filesystem is in a regular
file.
---

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index deb604d85..4bfbcb0fc 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -1687,13 +1687,14 @@ main(int argc, char **argv)
 
 	/*
 	 * Zero out the last 64k on the device, to obliterate any
-	 * old MD RAID (or other) metadata at the end of the device
+	 * old MD RAID (or other) metadata at the end of the device.
 	 */
-	
-	buf = libxfs_getbuf(xi.ddev, (xi.dsize - BTOBB(65536)), 
-			    BTOBB(65536));
-	bzero(XFS_BUF_PTR(buf), 65536);
-	libxfs_writebuf(buf, 1);
+	if (!xi.disfile) {
+		buf = libxfs_getbuf(xi.ddev, (xi.dsize - BTOBB(65536)), 
+				    BTOBB(65536));
+		bzero(XFS_BUF_PTR(buf), 65536);
+		libxfs_writebuf(buf, 1);
+	}
 
 	/*
 	 * Zero the log if there is one.