From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 22 Mar 2018 08:10:22 +0100
From: Michal Hocko <mhocko@kernel.org>
To: Goldwyn Rodrigues <rgoldwyn@suse.de>
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org,
	david@fromorbit.com, Goldwyn Rodrigues <rgoldwyn@suse.com>
Subject: Re: [PATCH 3/3] fs: Use memalloc_nofs_save in generic_perform_write
Message-ID: <20180322071022.GW23100@dhcp22.suse.cz>
References: <20180321224429.15860-1-rgoldwyn@suse.de>
 <20180321224429.15860-4-rgoldwyn@suse.de>
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On Wed 21-03-18 17:44:29, Goldwyn Rodrigues wrote:
> From: Goldwyn Rodrigues <rgoldwyn@suse.com>
> 
> Perform generic_perform_write() under memalloc_nofs because any allocations
> should not recurse into fs writebacks.

Why? What is the deadlock scenario?
-- 
Michal Hocko
SUSE Labs