svn commit: r206753 - stable/8/sys/kern

[Andriy Gapon]

Author: avg
Date: Sat Apr 17 11:25:30 2010
New Revision: 206753
URL: http://svn.freebsd.org/changeset/base/206753

Log:
  MFC r206129: vn_stat: use va_blocksize when setting st_blksize

Modified:
  stable/8/sys/kern/vfs_vnops.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/kern/vfs_vnops.c
==============================================================================
--- stable/8/sys/kern/vfs_vnops.c	Sat Apr 17 11:12:20 2010	(r206752)
+++ stable/8/sys/kern/vfs_vnops.c	Sat Apr 17 11:25:30 2010	(r206753)
@@ -788,11 +788,10 @@ vn_stat(vp, sb, active_cred, file_cred, 
 	 *   "a filesystem-specific preferred I/O block size for this 
 	 *    object.  In some filesystem types, this may vary from file
 	 *    to file"
-	 * Default to PAGE_SIZE after much discussion.
-	 * XXX: min(PAGE_SIZE, vp->v_bufobj.bo_bsize) may be more correct.
+	 * Use miminum/default of PAGE_SIZE (e.g. for VCHR).
 	 */
 
-	sb->st_blksize = PAGE_SIZE;
+	sb->st_blksize = max(PAGE_SIZE, vap->va_blocksize);
 	
 	sb->st_flags = vap->va_flags;
 	if (priv_check(td, PRIV_VFS_GENERATION))