Atomic commit. The superblock, which references the updated version
of the filesystem, carries a sequence number and a checksum. It is
written to one of two alternating locations. On restart, both
locations are read and the highest numbered superblock with a correct
checksum is chosen as the new filesystem root.
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/