From b7abc84631c1a614b37ebad6a4fc77d15896c849 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@sgi.com>
Date: Thu, 3 Jan 2002 21:39:35 +0000
Subject: [PATCH] force even number of 512-byte blocks when data/log/rt fills
 partition

---
 growfs/xfs_growfs.c | 11 +++++++++++
 mkfs/xfs_mkfs.c     | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/growfs/xfs_growfs.c b/growfs/xfs_growfs.c
index b078c1a1f..fdece8cad 100644
--- a/growfs/xfs_growfs.c
+++ b/growfs/xfs_growfs.c
@@ -317,6 +317,17 @@ main(int argc, char **argv)
 			geo.logblocks * (geo.blocksize / BBSIZE) );
 	drsize = xi.rtsize;
 
+	/*
+	 * Ok, Linux only has a 1024-byte resolution on device _size_,
+	 * and the sizes below are in basic 512-byte blocks,
+	 * so if we have (size % 2), on any partition, we can't get
+	 * to the last 512 bytes.  Just chop it down by a block.
+	 */
+	
+	ddsize -= (ddsize % 2);
+	dlsize -= (dlsize % 2);
+	drsize -= (drsize % 2);
+
 	error = 0;
 	if (dflag | aflag) {
 		xfs_growfs_data_t	in;
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 45e159c14..9e34ebdf5 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -1119,6 +1119,17 @@ main(int argc, char **argv)
 		usage();
 	}
 
+	/*
+	 * Ok, Linux only has a 1024-byte resolution on device _size_,
+	 * and the sizes below are in basic 512-byte blocks,
+	 * so if we have (size % 2), on any partition, we can't get
+	 * to the last 512 bytes.  Just chop it down by a block.
+	 */
+
+	xi.dsize -= (xi.dsize % 2);
+	xi.rtsize -= (xi.rtsize % 2);
+	xi.logBBsize -= (xi.logBBsize % 2);
+
 	if (!force_overwrite) {
 		if (check_overwrite(dfile) ||
 		    check_overwrite(logfile) ||
-- 
2.47.2