linux-kernel - Re: [PATCH 3/5][9PFS] Cleanup explicit check for mandatory locks

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Date:	Mon, 17 Sep 2007 09:51:31 -0500
From:	"Eric Van Hensbergen" <ericvh@...il.com>
To:	"Pavel Emelyanov" <xemul@...nvz.org>
Cc:	"Andrew Morton" <akpm@...l.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, "Ron Minnich" <rminnich@...dia.gov>,
	"Latchesar Ionkov" <lucho@...kov.net>
Subject: Re: [PATCH 3/5][9PFS] Cleanup explicit check for mandatory locks

On 9/17/07, Pavel Emelyanov <xemul@...nvz.org> wrote:
> The __mandatory_lock(inode) macro makes the same check, but
> makes the code more readable.
>
> Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
> Acked-by: Eric Van Hensbergen <ericvh@...il.com>
>
> ---
>
>  fs/9p/vfs_file.c |    2 +-
>  1 files changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
> index 2a40c29..7166916 100644
> --- a/fs/9p/vfs_file.c
> +++ b/fs/9p/vfs_file.c
> @@ -105,7 +105,7 @@ static int v9fs_file_lock(struct file *f
>         P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
>
>         /* No mandatory locks */
> -       if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
> +       if (__mandatory_lock(inode))
>                 return -ENOLCK;
>
>         if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
>
>
-
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