acquiresleep       73 bio.c                acquiresleep(&b->lock);
acquiresleep       88 bio.c                acquiresleep(&b->lock);
acquiresleep      137 defs.h         void            acquiresleep(struct sleeplock*);
acquiresleep      296 fs.c             acquiresleep(&ip->lock);
acquiresleep      334 fs.c             acquiresleep(&ip->lock);