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List:       linux-ext4
Subject:    Re: [PATCH 5/5] ext4: Switch to iomap for SEEK_HOLE / SEEK_DATA
From:       Christoph Hellwig <hch () lst ! de>
Date:       2017-06-30 17:37:40
Message-ID: 20170630173740.GB11420 () lst ! de
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On Fri, Jun 30, 2017 at 01:51:10PM +0200, Andreas Gruenbacher wrote:
> Also, ext4 no longer calls inode_lock or inode_lock_shared; that needs
> to be added back for consistency between reading i_size and walking
> the file extents.

At least for XFS we never had such a consistency as we never took
the iolock (aka i_rwsem).
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