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Date: Thu, 24 Feb 2011 16:23:01 -0600 From: Eric Sandeen <sandeen@...hat.com> To: Yongqiang Yang <xiaoqiangnk@...il.com> CC: linux-ext4@...r.kernel.org Subject: Re: [PATCH v1] ext4:Make FIEMAP and delayed allocation play well together. On 02/24/2011 10:15 AM, Yongqiang Yang wrote: > 1. lookup dirty pages with specified range in pagecache. > If no page is got, then there is no delayed-extent and > return with EXT_CONTINUE. > 2. find the 1st mapped buffer, > 3. check if the mapped buffer is both in the request range > and a delayed buffer. If not, there is no delayed-extent, > then return. > 4. a delayed-extent is found, the extent will be collected. This does seem to work now; I patched xfstests to do a run with and without sync, and both pass. The patches for xfstests are here: http://oss.sgi.com/pipermail/xfs/2011-February/049525.html http://oss.sgi.com/pipermail/xfs/2011-February/049527.html -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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