Tomo, All, Please find attached a patch that adds support for the new opcode WRITE_ATOMIC_16 to the bs_rdwr backend. I try to make it as atomic as possible by using mmap and mlock to ensure that both the write buffer and the file region we are writing to will be all present and locked down in memory before I just memcpy() the data. At that stage it is then assumed that the memcpy() will never fail short. The patch also adds the three new write atomic fields to the block limits vpd page and sets some sane defaults. Maximum amount of write atomic is set to the arbitrary limit of 16MByte and alignment and granularity is computed based on the blocksize of the underlying filesystem. regards ronnie sahlberg -- To unsubscribe from this list: send the line "unsubscribe stgt" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
