sanchayanmaity/xv6-cs450
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fix disk bug

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rsc 2006-09-07 16:54:18 +00:00
parent 3c821bf9ae
commit 21eafd48e2
1 changed files with 3 additions and 0 deletions
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3
ide.c
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@ -159,6 +159,9 @@ ide_rw(int diskno, uint secno, void *addr, uint nsecs, int read)
wakeup(&disk_queue);
tail = (tail + 1) % NREQUEST;
// Start next request in queue, if any.
ide_start_request();
release(&ide_lock);
}