/* I was tempted to make this use O_DIRECT and the mmp_fd, but
* this caused no end of grief, while leaving it as-is works. */
retval = io_channel_write_blk64(fs->io, mmp_blk, -(int)sizeof(struct mmp_struct), buf);
/* I was tempted to make this use O_DIRECT and the mmp_fd, but
* this caused no end of grief, while leaving it as-is works. */
retval = io_channel_write_blk64(fs->io, mmp_blk, -(int)sizeof(struct mmp_struct), buf);