> Next, since previously we had btrfs on sdb and mkfs.ext4 > does not overwrite super-block mirror 1.. so > > btrfs_read_dev_super(int fd, struct btrfs_super_block *sb, u64 > sb_bytenr) > > finds btrfs on sdb.
btrfs-progs shouldn't be unconditionally trusting the backup superblocks if the primary is garbage. It should only check the backups if the user specifically asks it to. > unless I am missing something. wipefs (along with the below patch) > [PATCH][v2] Btrfs: wipe all the superblock [redhat bugzilla 889888] > seems to be only solution as of now. This is good practice and will work around the bug in btrfs-progs for now. - z -- 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
