svn commit: r244243 - head/sbin/growfs

[Edward Tomasz Napierala]

Author: trasz
Date: Sat Dec 15 08:53:58 2012
New Revision: 244243
URL: http://svnweb.freebsd.org/changeset/base/244243

Log:
  Fix extending filesystems of weird size by making sure the actual size
  is always multiple of fragment size.

Modified:
  head/sbin/growfs/growfs.c

Modified: head/sbin/growfs/growfs.c
==============================================================================
--- head/sbin/growfs/growfs.c	Sat Dec 15 08:29:22 2012	(r244242)
+++ head/sbin/growfs/growfs.c	Sat Dec 15 08:53:58 2012	(r244243)
@@ -1487,6 +1487,12 @@ main(int argc, char **argv)
 		}
 	}
 
+	/*
+	 * Make sure the new size is a multiple of fs_fsize; /dev/ufssuspend
+	 * only supports fragment-aligned IO requests.
+	 */
+	size -= size % osblock.fs_fsize;
+
 	if (size <= (uint64_t)(osblock.fs_size * osblock.fs_fsize)) {
 		humanize_number(oldsizebuf, sizeof(oldsizebuf),
 		    osblock.fs_size * osblock.fs_fsize,