linux-ext4 - Re: [PATCH 4/4] fs: Disallow all fallocate operation on active swapfile

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Message-ID: <20140412152225.GC18047@infradead.org>
Date:	Sat, 12 Apr 2014 08:22:25 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Lukas Czerner <lczerner@...hat.com>
Cc:	linux-fsdevel@...r.kernel.org, ceph-devel@...r.kernel.org,
	linux-ext4@...r.kernel.org, xfs@....sgi.com
Subject: Re: [PATCH 4/4] fs: Disallow all fallocate operation on active
 swapfile

Given that the earlier patches were about races - what protects us
from swapon racing with the check outside the filesystem locks?

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