Module Name: src
Committed By: bouyer
Date: Tue Oct 9 21:53:03 UTC 2012
Modified Files:
src/sys/ufs/ufs [tls-maxphys]: ufs_bmap.c
Log Message:
Use mnt_maxphys not MAXPHYS to limit the size of I/O to disk.
Now the read-ahead code does issue 512k requests to disk.
To generate a diff of this commit:
cvs rdiff -u -r1.49 -r1.49.14.1 src/sys/ufs/ufs/ufs_bmap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/ufs/ufs/ufs_bmap.c
diff -u src/sys/ufs/ufs/ufs_bmap.c:1.49 src/sys/ufs/ufs/ufs_bmap.c:1.49.14.1
--- src/sys/ufs/ufs/ufs_bmap.c:1.49 Sun Mar 6 17:08:39 2011
+++ src/sys/ufs/ufs/ufs_bmap.c Tue Oct 9 21:53:03 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: ufs_bmap.c,v 1.49 2011/03/06 17:08:39 bouyer Exp $ */
+/* $NetBSD: ufs_bmap.c,v 1.49.14.1 2012/10/09 21:53:03 bouyer Exp $ */
/*
* Copyright (c) 1989, 1991, 1993
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ufs_bmap.c,v 1.49 2011/03/06 17:08:39 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ufs_bmap.c,v 1.49.14.1 2012/10/09 21:53:03 bouyer Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -138,12 +138,12 @@ ufs_bmaparray(struct vnode *vp, daddr_t
if (runp) {
/*
* XXX
- * If MAXBSIZE is the largest transfer the disks can handle,
+ * If mnt_maxphys is the largest transfer the disks can handle,
* we probably want maxrun to be 1 block less so that we
* don't create a block larger than the device can handle.
*/
*runp = 0;
- maxrun = MAXPHYS / mp->mnt_stat.f_iosize - 1;
+ maxrun = mp->mnt_maxphys / mp->mnt_stat.f_iosize - 1;
}
if (bn >= 0 && bn < NDADDR) {
