linux-kernel - [PATCH 3/5 -tip] fuse: umount

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Message-Id: <1240513925-5603-4-git-send-email-abogani@texware.it>
Date:	Thu, 23 Apr 2009 21:12:03 +0200
From:	Alessio Igor Bogani <abogani@...ware.it>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Jonathan Corbet <corbet@....net>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	LKML <linux-kernel@...r.kernel.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	LFSDEV <linux-fsdevel@...r.kernel.org>,
	Alessio Igor Bogani <abogani@...ware.it>
Subject: [PATCH 3/5 -tip] fuse: umount_begin BKL pushdown

Signed-off-by: Alessio Igor Bogani <abogani@...ware.it>
---
 fs/fuse/inode.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 459b73d..d1bc4d3 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -19,6 +19,7 @@
 #include <linux/random.h>
 #include <linux/sched.h>
 #include <linux/exportfs.h>
+#include <linux/smp_lock.h>
 
 MODULE_AUTHOR("Miklos Szeredi <miklos@...redi.hu>");
 MODULE_DESCRIPTION("Filesystem in Userspace");
@@ -259,7 +260,9 @@ struct inode *fuse_iget(struct super_block *sb, u64 nodeid,
 
 static void fuse_umount_begin(struct super_block *sb)
 {
+	lock_kernel();
 	fuse_abort_conn(get_fuse_conn_super(sb));
+	unlock_kernel();
 }
 
 static void fuse_send_destroy(struct fuse_conn *fc)
-- 
1.6.0.4

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