linux-kernel - [PATCH] pstore: Headers should include all stuff they use

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Message-ID: <20120717183707.GA24056@lizard>
Date:	Tue, 17 Jul 2012 11:37:07 -0700
From:	Anton Vorontsov <anton.vorontsov@...aro.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Kees Cook <keescook@...omium.org>,
	Colin Cross <ccross@...roid.com>,
	Tony Luck <tony.luck@...el.com>, devel@...verdev.osuosl.org,
	linaro-kernel@...ts.linaro.org, Arnd Bergmann <arnd@...db.de>,
	patches@...aro.org, Marco Stornelli <marco.stornelli@...il.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Meyer <thomas@...3r.de>, linux-kernel@...r.kernel.org,
	arve@...roid.com, Jesper Juhl <jj@...osbits.net>,
	John Stultz <john.stultz@...aro.org>,
	Shuah Khan <shuahkhan@...il.com>,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	WANG Cong <xiyou.wangcong@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	kernel-team@...roid.com, Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH] pstore: Headers should include all stuff they use

Headers should really include all the needed prototypes, types, defines
etc. to be self-contained. This is a long-standing issue, but apparently
the new tracing code unearthed it (SMP=n is also a prerequisite):

In file included from fs/pstore/internal.h:4:0,
                 from fs/pstore/ftrace.c:21:
include/linux/pstore.h:43:15: error: field ‘read_mutex’ has incomplete type

While at it, I also added the following:

linux/types.h -> size_t, phys_addr_t, uXX and friends
linux/spinlock.h -> spinlock_t
linux/errno.h -> Exxxx
linux/time.h -> struct timespec (struct passed by value)
struct module and rs_control forward declaration (passed via pointers).

Signed-off-by: Anton Vorontsov <anton.vorontsov@...aro.org>
---

On Tue, Jul 17, 2012 at 11:19:44AM -0700, Greg Kroah-Hartman wrote:
> On Tue, Jul 17, 2012 at 11:13:59AM -0700, Anton Vorontsov wrote:
> > Headers should really include all the needed prototypes, types, defines
> 
> <snip>
> 
>   Content-Transfer-Encoding: base64
> 
> That's not a nice way to send patches out, care to fix this and resend?

I used 'git send-email' as normal, and it said:

Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit


OK, I checked what vger.kernel.org received, and it still says:

Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

And I see the email readable in the text editor.

OK, with linux_banner I got what the problem is, but where base64
came from?.. :-/

Anyways, resending w/ mutt.

 fs/pstore/internal.h       |    2 ++
 include/linux/pstore.h     |    6 ++++++
 include/linux/pstore_ram.h |    1 +
 3 files changed, 9 insertions(+)

diff --git a/fs/pstore/internal.h b/fs/pstore/internal.h
index 958c48d..0d0d3b7 100644
--- a/fs/pstore/internal.h
+++ b/fs/pstore/internal.h
@@ -1,6 +1,8 @@
 #ifndef __PSTORE_INTERNAL_H__
 #define __PSTORE_INTERNAL_H__
 
+#include <linux/types.h>
+#include <linux/time.h>
 #include <linux/pstore.h>
 
 #if NR_CPUS <= 2 && defined(CONFIG_ARM_THUMB)
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index 120443b..c892587 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -24,6 +24,10 @@
 
 #include <linux/time.h>
 #include <linux/kmsg_dump.h>
+#include <linux/mutex.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/errno.h>
 
 /* types */
 enum pstore_type_id {
@@ -34,6 +38,8 @@ enum pstore_type_id {
 	PSTORE_TYPE_UNKNOWN	= 255
 };
 
+struct module;
+
 struct pstore_info {
 	struct module	*owner;
 	char		*name;
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index af848e1..ba2b211 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -24,6 +24,7 @@
 #include <linux/init.h>
 
 struct persistent_ram_buffer;
+struct rs_control;
 
 struct persistent_ram_zone {
 	phys_addr_t paddr;
-- 
1.7.10.4

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