linux-ext4 - Re: [PATCH 3/6] libext2fs: iterate past lower extents during punch

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Message-ID: <20140206202959.GL19884@thunk.org>
Date:	Thu, 6 Feb 2014 15:29:59 -0500
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 3/6] libext2fs: iterate past lower extents during punch

On Tue, Jan 21, 2014 at 03:40:11PM +0800, Zheng Liu wrote:
> On Mon, Jan 20, 2014 at 10:21:58PM -0800, Darrick J. Wong wrote:
> > When we're iterating extents during a punch operation, the loop exits
> > if the punch region is entirely to the right of the extent we're
> > looking at.  This can happen if the punch region starts in the middle
> > of a hole and covers mapped extents.  When this happens, we want to
> > skip to the next extent, because it might be punchable.
> > 
> > Also, if we've totally passed the punch range, stop.
> > 
> > Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>
> 
> Reviewed-by: Zheng Liu <wenqing.lz@...bao.com>

Thanks, applied.

					- Ted
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