/**
* Read numBlocks blocks from disk sequentially starting at block 0.
*/
void run (int numBlocks) {
for (int blockno = 0; blockno < numBlocks; blockno++) {
struct PendingRead* item = queue_dequeue (&prq);
char* buf = item->buf;
int nbytes = item->nbytes;
int blockno = item->blockno;
void (*handler) (char*, int, int) = item->handler;
//TODO, ask TA uthread_create (asyncRead(buf, nbytes, item->blockno, void (*handler) (char*, int, int) ), &blockno);
// call asyncRead to schedule read TODO
}
disk_waitForReads();
}
void asyncRead (char* buf, int nbytes, int blockno, void (*handler) (char*, int, int)) {
// call disk_scheduleRead to schedule a read TODO
struct PendingRead* PR = malloc(sizeof *PR);
PR->buf = buf;
PR->nbytes = nbytes;
PR->blockno = blockno;
PR->handler = handler;
queue_enqueue (&prq, PR);
disk_scheduleRead (buf, nbytes, blockno);
disk_waitForReads ();
}
void syncRead (char* buf, int nBytes, int blockNo) {
disk_scheduleRead (buf, 4096, blockNo);
disk_waitForReads ();
assert (*((int*) buf) == blockNo);
}
