Re: [2.6.11-rc4 i386] Re-order <linux/fs.h> includes to fix userland breakage
From: Chris Wright
Date: Tue Feb 22 2005 - 20:39:36 EST
* Tom Rini (trini@xxxxxxxxxxxxxxxxxxx) wrote:
> The following moves all includes <linux/fs.h> (except <linux/ioctl.h>
> and <linux/config.h> down to below the existing __KERNEL__ test. None
> of these includes are needed by the user-visible portions of the header,
> and in some cases can cause userland apps to break. For example, LTP
> and sash with an empty <linux/autoconf.h> will fail thusly:
> cc -Wall -I../../include -g -Wall -I../../../../include -Wall setrlimit02.c -L../../../../lib -lltp -o setrlimit02
> In file included from /usr/include/asm/atomic.h:6,
> from /usr/include/linux/fs.h:20,
> from setrlimit02.c:46:
> /usr/include/asm/processor.h:68: error: `CONFIG_X86_L1_CACHE_SHIFT' undeclared here (not in a function)
> /usr/include/asm/processor.h:68: error: requested alignment is not a constant
This change is spewing warnings like:
CC init/main.o
In file included from include/linux/fs.h:202,
from include/linux/proc_fs.h:6,
from init/main.c:17:
include/linux/limits.h:4:1: warning: "NR_OPEN" redefined
In file included from include/linux/proc_fs.h:6,
from init/main.c:17:
include/linux/fs.h:24:1: warning: this is the location of the previous definition
CC init/do_mounts.o
In file included from include/linux/fs.h:202,
from include/linux/tty.h:20,
from init/do_mounts.c:5:
include/linux/limits.h:4:1: warning: "NR_OPEN" redefined
In file included from include/linux/tty.h:20,
from init/do_mounts.c:5:
include/linux/fs.h:24:1: warning: this is the location of the previous definition
Move limits.h include back above __KERNEL__ to quiet things back down.
Signed-off-by: Chris Wright <chrisw@xxxxxxxx>
===== include/linux/fs.h 1.377 vs edited =====
--- 1.377/include/linux/fs.h 2005-02-22 13:44:27 -08:00
+++ edited/include/linux/fs.h 2005-02-22 17:26:03 -08:00
@@ -8,6 +8,7 @@
#include <linux/config.h>
#include <linux/ioctl.h>
+#include <linux/limits.h>
/*
* It's silly to have NR_OPEN bigger than NR_FILE, but you can change
@@ -199,7 +200,6 @@ extern int dir_notify_enable;
#ifdef __KERNEL__
#include <linux/linkage.h>
-#include <linux/limits.h>
#include <linux/wait.h>
#include <linux/types.h>
#include <linux/kdev_t.h>
-
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