On Mar 29, 2013, at 9:42 AM, Mitch Harder <mitch.harder@xxxxxxxxxxxxxxxx> wrote: > On Fri, Mar 29, 2013 at 1:21 AM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: >> >> mkfs.btrfs -l 8192 with kernel 3.9.0 creates a file system mountable by 3.9.0 and only 3.9.0 (so far). And while there's no error making such a file system with other kernels, they won't mount the resulting file system. >> > > I'm seeing something similar. > > Using the current master branch of btrfs-progs > (https://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git, > top commit 7854c8b667654502f69e05584729146a06827bc6 "Btrfs-progs: give > restore a list roots option"), if I run 'mkfs.btrfs -f /dev/<device>' > on a 3.7.x vintage kernel, the mkfs operation is successful, but I > can't mount the partition. > > I am successful on a 3.8.x vintage kernel or testing the _rc code for 3.9. If you try a leaf size other than default, it creates the file system but won't mount it, for any 3.8.x kernel I've tried including 3.8.5. Only 3.9.0 kernels are apparently mounting leaf sizes above 4KB, if the fs was created with btrfs-progs-0.20.rc1.20130308git704a08c. Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
