Module Name: src
Committed By: rmind
Date: Mon Jul 13 02:49:08 UTC 2009
Modified Files:
src/sys/kern: sys_pipe.c
Log Message:
Re-enable direct I/O for pipe:
- Larger writes (2 or more pages) will use emap.
- Might help to catch rare hang (some very old bug).
To generate a diff of this commit:
cvs rdiff -u -r1.115 -r1.116 src/sys/kern/sys_pipe.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/kern/sys_pipe.c
diff -u src/sys/kern/sys_pipe.c:1.115 src/sys/kern/sys_pipe.c:1.116
--- src/sys/kern/sys_pipe.c:1.115 Sun Jun 28 15:18:50 2009
+++ src/sys/kern/sys_pipe.c Mon Jul 13 02:49:08 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: sys_pipe.c,v 1.115 2009/06/28 15:18:50 rmind Exp $ */
+/* $NetBSD: sys_pipe.c,v 1.116 2009/07/13 02:49:08 rmind Exp $ */
/*-
* Copyright (c) 2003, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_pipe.c,v 1.115 2009/06/28 15:18:50 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_pipe.c,v 1.116 2009/07/13 02:49:08 rmind Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -99,9 +99,6 @@
* #define PIPE_NODIRECT
*/
-/* XXX Disabled for now; rare hangs switching between direct/buffered */
-#define PIPE_NODIRECT
-
static int pipe_read(file_t *, off_t *, struct uio *, kauth_cred_t, int);
static int pipe_write(file_t *, off_t *, struct uio *, kauth_cred_t, int);
static int pipe_close(file_t *);
