On Fri, May 28, 2010 at 02:26:57PM -0500, Jayson R. King wrote: > From: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> > Date: Thu Oct 16 10:10:36 2008 -0400 > Subject: ext4: Fix file fragmentation during large file write. > > commit 22208dedbd7626e5fc4339c417f8d24cc21f79d7 upstream. > > The range_cyclic writeback mode uses the address_space writeback_index > as the start index for writeback. With delayed allocation we were > updating writeback_index wrongly resulting in highly fragmented file. > This patch reduces the number of extents reduced from 4000 to 27 for a > 3GB file. This isn't a critical bug fix either. I don't really care a whole lot, since I don't plan to support ext4 with all of these patches but if you haven't been doing a full set of testing with these patches, I'd be very concerned about whether ext4 would be stable after applying this patch series. What sort of testing _have_ you done? - Ted -- 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
