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Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 4/6] xfs: zeroing space needs to punch delalloc blocks
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 10 Apr 2014 05:33:32 -0700
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140410122259.GC27519@dastard>
References: <1397106053-7489-1-git-send-email-david@xxxxxxxxxxxxx> <1397106053-7489-5-git-send-email-david@xxxxxxxxxxxxx> <20140410104001.GG17641@xxxxxxxxxxxxx> <20140410122259.GC27519@dastard>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Apr 10, 2014 at 10:22:59PM +1000, Dave Chinner wrote:
> XFS_B_TO_FSB gives the same result given that we've already rounded
> start_boundary to block granularity....

It does, but XFS_B_TO_FSBT is one less operation, and it's the better
example for a start offset when people start copy & pasting it.

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