Excerpts from Christoph Hellwig's message of 2011-04-21 13:41:21 -0400: > On Thu, Apr 21, 2011 at 01:34:44PM -0400, Chris Mason wrote: > > Sorry, this doesn't do it. I think that given what a strange special > > case this is, we're best off waiting for the IO-less throttling, and > > maybe changing the code in xfs/ext4 to be a little more seek aware. Or > > maybe not, it has to get written eventually either way. > > I'm not sure what you mean with seek aware. XFS only clusters > additional pages that are in the same extent, and in fact only does > so for asynchrononous writeback. Not sure how this should be more > seek aware. > How big are extents? fiemap tells me the file has a single 8GB extent. There's a little room for seeking inside there. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
