David Sterba - 15.11.17, 15:39: > On Tue, Nov 14, 2017 at 07:53:31PM +0100, David Sterba wrote: > > On Mon, Nov 13, 2017 at 11:50:46PM +0100, David Sterba wrote: > > > Up to now, there are no bootloaders supporting ZSTD. > > > > I've tried to implement the support to GRUB, still incomplete and hacky > > but most of the code is there. The ZSTD implementation is copied from > > kernel. The allocators need to be properly set up, as it needs to use > > grub_malloc/grub_free for the workspace thats called from some ZSTD_* > > functions. > > > > https://github.com/kdave/grub/tree/btrfs-zstd > > The branch is now in a state that can be tested. Turns out the memory > requirements are too much for grub, so the boot fails with "not enough > memory". The calculated value > > ZSTD_BTRFS_MAX_INPUT: 131072 > ZSTD_DStreamWorkspaceBound with ZSTD_BTRFS_MAX_INPUT: 549424 > > This is not something I could fix easily, we'd probalby need a tuned > version of ZSTD for grub constraints. Adding Nick to CC.
Somehow I am happy that I still have a plain Ext4 for /boot. :) Thanks for looking into Grub support anyway. Thanks, -- Martin -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
