From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Date: Mon, 10 Feb 2020 15:29:42 -0800
Subject: [Cluster-devel] [PATCH 01/12] mm: fix a comment in sys_swapon
In-Reply-To: <20200114161225.309792-2-hch@lst.de>
References: <20200114161225.309792-1-hch@lst.de>
	<20200114161225.309792-2-hch@lst.de>
Message-ID: <20200210152942.2ec4d0b71851feccb7387266@linux-foundation.org>
List-Id: <cluster-devel.redhat.com>
To: cluster-devel.redhat.com
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit

On Tue, 14 Jan 2020 17:12:14 +0100 Christoph Hellwig <hch@lst.de> wrote:

> claim_swapfile now always takes i_rwsem.
> 
> ...
>
> --- a/mm/swapfile.c
> +++ b/mm/swapfile.c
> @@ -3157,7 +3157,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
>  	mapping = swap_file->f_mapping;
>  	inode = mapping->host;
>  
> -	/* If S_ISREG(inode->i_mode) will do inode_lock(inode); */
> +	/* will take i_rwsem; */
>  	error = claim_swapfile(p, inode);
>  	if (unlikely(error))
>  		goto bad_swap;

http://lkml.kernel.org/r/20200206090132.154869-1-naohiro.aota at wdc.com
removes this comment altogether.  Please check that this is OK?