2 Commits

Author	SHA1	Message	Date
David Sterba	b5e0ca64a4	btrfs-progs: sb-mod: add preliminary support for non-u64 types ... Signed-off-by: David Sterba <dsterba@suse.com>	2018-04-11 15:37:36 +02:00
David Sterba	d04d25fb14	btrfs-progs: add tool to edit super blocks ... $ make btrfs-sb-mod $ ./btrfs-sb-mod image field1 operation1 ... Fields (only u64 supported for now): * total_bytes * root * generation * chunk_root * chunk_root_generation * cache_generation * uuid_tree_generation Operations: * read value ?0 * set value =NUMBER * add to +NUMBER * subtract from value -NUMBER * xor with value ^NUMBER * byteswap (u64) @0 Use with care! Signed-off-by: David Sterba <dsterba@suse.com>	2018-03-30 22:15:55 +02:00