linux-kernel - Re: [patch 04/33] fs: brlock vfsmount

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Message-ID: <20090904151908.GX18599@kernel.dk>
Date:	Fri, 4 Sep 2009 17:19:09 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	npiggin@...e.de
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 04/33] fs: brlock vfsmount_lock

On Fri, Sep 04 2009, npiggin@...e.de wrote:
> Index: linux-2.6/fs/namei.c
> ===================================================================
> --- linux-2.6.orig/fs/namei.c
> +++ linux-2.6/fs/namei.c
> @@ -679,15 +679,16 @@ int follow_up(struct path *path)
>  {
>  	struct vfsmount *parent;
>  	struct dentry *mountpoint;
> -	spin_lock(&vfsmount_lock);
> +
> +	vfsmount_read_unlock();
>  	parent = path->mnt->mnt_parent;
>  	if (parent == path->mnt) {
> -		spin_unlock(&vfsmount_lock);
> +		vfsmount_read_unlock();
>  		return 0;

Hmm, that looks a bit off.

-- 
Jens Axboe

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