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Message-ID: <20200825112159.GA29726@infradead.org> Date: Tue, 25 Aug 2020 12:21:59 +0100 From: Christoph Hellwig <hch@...radead.org> To: Yuxuan Shui <yshuiv7@...il.com> Cc: Christoph Hellwig <hch@...radead.org>, "Darrick J. Wong" <darrick.wong@...cle.com>, viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, tytso@....edu, adilger.kernel@...ger.ca Subject: Re: [PATCH] iomap: iomap_bmap should accept unwritten maps On Tue, Aug 25, 2020 at 11:40:34AM +0100, Yuxuan Shui wrote: > Hi, > > On Tue, Aug 25, 2020 at 11:20 AM Christoph Hellwig <hch@...radead.org> wrote: > > > > On Tue, Aug 25, 2020 at 10:26:14AM +0100, Yuxuan Shui wrote: > > > Hi, > > > > > > Do we actually want to fix this bug or not? There are a number of > > > people actually seeing this bug. > > > > bmap should not succeed for unwritten extents. > > Why not? Unwritten extents are still allocated extents. Because you can't read from or write to them.
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