On 14/04/11 15:02, Markus Trippelsdorf wrote: >>> Hi Pádraig, >>> >>> here you go: >>> + filefrag -v unwritten.withdata >>> Filesystem type is: ef53 >>> File size of unwritten.withdata is 5120 (2 blocks, blocksize 4096) >>> ext logical physical expected length flags >>> 0 0 274432 2560 unwritten,eof >>> unwritten.withdata: 1 extent found >>> >>> Please notice that this also happens with ext4 on the same kernel. >>> Btrfs is fine. >> > `filefrag -vs` fixes the issue on both xfs and ext4. So in summary, currently on (2.6.39-rc3), the following will (usually?) report a single unwritten extent, on both ext4 and xfs fallocate -l 10MiB -n k dd count=10 if=/dev/urandom conv=notrunc iflag=fullblock of=k filefrag -v k # grep for an extent without unwritten || fail This particular issue has been discussed so far at: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8411 Note there it was stated there that ext4 had this fixed as of 2.6.39-rc1, so maybe there is something lurking? cheers, Pádraig. -- 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
