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From: Kinglong Mee <kinglongmee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
	"J. Bruce Fields"
	<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
	"linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: NeilBrown <neilb-l3A5Bk7waGM@public.gmane.org>,
	Trond Myklebust
	<trond.myklebust-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>,
	kinglongmee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: [PATCH 1/6 v5] fs_pin: Initialize value for fs_pin explicitly
Date: Wed, 17 Jun 2015 15:49:41 +0800	[thread overview]
Message-ID: <55812695.8020401@gmail.com> (raw)
In-Reply-To: <5581266C.9080404-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Without initialized, done in fs_pin at stack space may
contains strange value.

v3, v4, v5,
Adds macro for header file

Signed-off-by: Kinglong Mee <kinglongmee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 include/linux/fs_pin.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h
index 3886b3b..0dde7b7 100644
--- a/include/linux/fs_pin.h
+++ b/include/linux/fs_pin.h
@@ -1,3 +1,6 @@
+#ifndef _LINUX_FS_PIN_H
+#define _LINUX_FS_PIN_H
+
 #include <linux/wait.h>
 
 struct fs_pin {
@@ -16,9 +19,12 @@ static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *))
 	INIT_HLIST_NODE(&p->s_list);
 	INIT_HLIST_NODE(&p->m_list);
 	p->kill = kill;
+	p->done = 0;
 }
 
 void pin_remove(struct fs_pin *);
 void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *);
 void pin_insert(struct fs_pin *, struct vfsmount *);
 void pin_kill(struct fs_pin *);
+
+#endif
-- 
2.4.3

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  parent reply	other threads:[~2015-06-17  7:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-17  7:49 [PATCH 0/6 v5] NFSD: Pin to vfsmount for nfsd exports cache Kinglong Mee
     [not found] ` <5581266C.9080404-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-06-17  7:49   ` Kinglong Mee [this message]
2015-06-17  7:50   ` [PATCH 2/6 v5] fs_pin: Export functions for specific filesystem Kinglong Mee
2015-06-17  7:51   ` [PATCH 3/6 v5] fs_pin: Kill fs_pin under a reference of vfsmnt Kinglong Mee
     [not found]     ` <558126FA.8050608-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-06-19 20:29       ` J. Bruce Fields
2015-06-25 14:14         ` Kinglong Mee
2015-06-19 20:44       ` Al Viro
2015-06-17  7:52   ` [PATCH 4/6 v5] path: New helpers path_get_pin/path_put_unpin for path pin Kinglong Mee
2015-06-17  7:52   ` [PATCH 5/6 v5] sunrpc: New helper cache_force_expire for cache cleanup Kinglong Mee
2015-06-17  7:53   ` [PATCH 6/6 v5] nfsd: Allows user un-mounting filesystem where nfsd exports base on Kinglong Mee
2015-06-19 21:09     ` Al Viro
2015-06-25 14:46       ` Kinglong Mee

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