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Date:	Thu, 03 Apr 2014 19:41:15 -0400
From:	Alexandre Demers <alexandre.f.demers@...il.com>
To:	Thomas Bächler <thomas@...hlinux.org>,
	tj@...nel.org
CC:	d@...conindy.com, linux-kernel@...r.kernel.org,
	gregkh@...uxfoundation.org, P@...igbrady.com,
	"3.14" <stable@...r.kernel.org>
Subject: Re: [PATCH] fs: Don't return 0 from get_anon_bdev

It works over here, tested on 3.14-rc8 which was previously failing. You 
have my

Tested-by: Alexandre Demers

Alexandre Demers

On 04/03/2014 03:49 PM, Thomas Bächler wrote:
> Commit 9e30cc9595303b27b48 removed an internal mount. This
> has the side-effect that rootfs now has FSID 0. Many
> userspace utilities assume that st_dev in struct stat
> is never 0, so this change breaks a number of tools in
> early userspace.
>
> Since we don't know how many userspace programs are affected,
> make sure that FSID is at least 1.
>
> References: http://article.gmane.org/gmane.linux.kernel/1666905
> References: http://permalink.gmane.org/gmane.linux.utilities.util-linux-ng/8557
> Cc: 3.14 <stable@...r.kernel.org>
> Signed-off-by: Thomas Bächler <thomas@...hlinux.org>
> ---
>   fs/super.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/super.c b/fs/super.c
> index 80d5cf2..d9fddde 100644
> --- a/fs/super.c
> +++ b/fs/super.c
> @@ -802,7 +802,7 @@ void emergency_remount(void)
>   
>   static DEFINE_IDA(unnamed_dev_ida);
>   static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */
> -static int unnamed_dev_start = 0; /* don't bother trying below it */
> +static int unnamed_dev_start = 1; /* don't bother trying below it */
>   
>   int get_anon_bdev(dev_t *p)
>   {

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