linux-kernel - Re: autofs4 hung task

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Date:	Fri, 13 Jan 2012 14:06:15 +0000
From:	Dave Airlie <airlied@...il.com>
To:	Al Viro <viro@...iv.linux.org.uk>
Cc:	Ian Kent <raven@...maw.net>, LKML <linux-kernel@...r.kernel.org>,
	Al Viro <viro@....linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: autofs4 hung task

>> Thanks Dave, an obvious mistake I missed in a recent commit by the look
>> of it.
>>
>> Ian
>
> Grr...  Note to self: do git status *and* git stash show -p before git push.
> Nothing like "WTF?  I'd fixed that braino" feeling ;-/
>
> mutex_lock misspelled as mutex_unlock
>
> Buggered-in: commit d668dc56631da067540b2494d2a1f29ff7b5f15a
> Signed-off-by: Al Viro <viro@...iv.linux.org.uk>

Thanks guys, up and running with Linus master with this patch.

Tested-by: Dave Airlie <airlied@...hat.com>

> ---
> diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
> index 9ef5b29..da8876d 100644
> --- a/fs/autofs4/waitq.c
> +++ b/fs/autofs4/waitq.c
> @@ -76,7 +76,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
>                data += wr;
>                bytes -= wr;
>        }
> -       mutex_lock(&sbi->pipe_mutex);
> +       mutex_unlock(&sbi->pipe_mutex);
>
>        set_fs(fs);
>
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