svn commit: r246236 - stable/9/sbin/growfs

[Edward Tomasz Napierala]

Author: trasz
Date: Sat Feb  2 10:02:26 2013
New Revision: 246236
URL: http://svnweb.freebsd.org/changeset/base/246236

Log:
  MFC r244243:
  
  Fix extending filesystems of weird size by making sure the actual size
  is always multiple of fragment size.

Modified:
  stable/9/sbin/growfs/growfs.c
Directory Properties:
  stable/9/sbin/growfs/   (props changed)

Modified: stable/9/sbin/growfs/growfs.c
==============================================================================
--- stable/9/sbin/growfs/growfs.c	Sat Feb  2 10:00:46 2013	(r246235)
+++ stable/9/sbin/growfs/growfs.c	Sat Feb  2 10:02:26 2013	(r246236)
@@ -1486,6 +1486,12 @@ 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,