On Thu, 5 Oct 2006 23:58:29 -0600 Andreas Dilger <adilger@xxxxxxxxxxxxx> wrote: > but the patches have not been changed for ext4 (which should really > default to using extents on a filesystem with the INCOMPAT_EXTENT feature > set unless told otherwise). That is a necessity for filesystems larger > than 2^32 blocks, since there is no way to create old block-mapped files > past that limit. That's news to me. So we only use 48-bit block numbers for extents and not for old-style indirect blocks? How much performance improvement do they get, btw? CPU or IO? I'm not noticing any difference. Has been a while since I did any fs testing. Boy, ext3 is beating the crap out of ext2 for quality of file layout. - 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
