Your next job is to implement write functionality for mdadm and then thoroughly test your implementation. Specifically, you will implement the following function:

/****************************************************************************** Online C Compiler. Code, Compile, Run and Debug C program online. Write your code in this editor and press "Run" button to compile and execute it. *******************************************************************************/ #ifndef JBOD_H_ #define JBOD_H_ #include #define JBOD_NUM_DISKS 16 #define JBOD_BLOCK_SIZE 256 #define JBOD_NUM_BLOCKS_PER_DISK 256 #define JBOD_DISK_SIZE (JBOD_BLOCK_SIZE * JBOD_NUM_BLOCKS_PER_DISK) typedef enum { JBOD_MOUNT, JBOD_UNMOUNT, JBOD_SEEK_TO_DISK, JBOD_SEEK_TO_BLOCK, JBOD_READ_BLOCK, JBOD_WRITE_PERMISSION, JBOD_REVOKE_WRITE_PERMISSION, JBOD_WRITE_BLOCK, JBOD_SIGN_BLOCK, JBOD_NUM_CMDS, } jbod_cmd_t; typedef enum { JBOD_NO_ERROR, JBOD_UNMOUNTED, JBOD_ALREADY_MOUNTED, JBOD_ALREADY_UNMOUNTED, JBOD_CACHELOAD_FAIL, JBOD_CACHEWRITE_FAIL, JBOD_BAD_CMD, JBOD_BAD_DISK_NUM, JBOD_BAD_BLOCK_NUM, JBOD_BAD_READ, JBOD_BAD_WRITE, JBOD_NUM_ERRNOS, JBOD_WRITE_PERMISSION_ALREADY_GRANTED, JBOD_WRITE_PERMISSION_REVOKED, } jbod_error_t; int jbod_operation(uint32_t op, uint8_t *block); extern jbod_error_t jbod_error; const char *jbod_error_string(int eno); #endif

Your next job is to implement write functionality for mdadm and then thoroughly test your implementation. Specifically, you will implement the following function:

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