> #define MD_FEATURE_NEW_OFFSET 64 /* new_offset must be honoured */ > +#define MD_FEATURE_JOURNAL 512 /* support write journal */ The kernel patches are using 256 here, so your userspace won't work with them but rather generate very unhelpful warnings: [ 16.177710] md: sdc does not have a valid v1.2 superblock, not importing! [ 16.178634] md: md_import_device returned -22 mdadm: ADD_NEW_DISK for /dev/sdc failed: Invalid argument -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
