linux-kernel - Re: [PATCH 2/3] fscache/cachefiles: optionally use SEEK

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Message-ID: <20150420060818.GA32675@infradead.org>
Date:	Sun, 19 Apr 2015 23:08:18 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	NeilBrown <neilb@...e.de>
Cc:	David Howells <dhowells@...hat.com>, Chris Mason <clm@...com>,
	Al Viro <viro@...IV.linux.org.uk>, Josef Bacik <jbacik@...com>,
	David Sterba <dsterba@...e.cz>, linux-cachefs@...r.kernel.org,
	Dave Chinner <david@...morbit.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 2/3] fscache/cachefiles: optionally use SEEK_DATA instead
 of ->bmap.

Please just usse SEEK_HOLE/DATA support unconditioanlly.  ->bmap is a
horrible hack that is completely unsafe.

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