Lines Matching defs:bn

45 #define bufnode_buf(bn)  ((struct buf *) bn)
81 #define FOR_BUFS(bn) \
82 	for (bn = ch_bufhead;  bn != END_OF_CHAIN;  bn = bn->next)
84 #define BUF_RM(bn) \
85 	(bn)->next->prev = (bn)->prev; \
86 	(bn)->prev->next = (bn)->next;
88 #define BUF_INS_HEAD(bn) \
89 	(bn)->next = ch_bufhead; \
90 	(bn)->prev = END_OF_CHAIN; \
91 	ch_bufhead->prev = (bn); \
92 	ch_bufhead = (bn);
94 #define BUF_INS_TAIL(bn) \
95 	(bn)->next = END_OF_CHAIN; \
96 	(bn)->prev = ch_buftail; \
97 	ch_buftail->next = (bn); \
98 	ch_buftail = (bn);
103 #define FOR_BUFS_IN_CHAIN(h,bn) \
104 	for (bn = thisfile->hashtbl[h].hnext;  \
105 	     bn != END_OF_HCHAIN(h);  bn = bn->hnext)
107 #define BUF_HASH_RM(bn) \
108 	(bn)->hnext->hprev = (bn)->hprev; \
109 	(bn)->hprev->hnext = (bn)->hnext;
111 #define BUF_HASH_INS(bn,h) \
112 	(bn)->hnext = thisfile->hashtbl[h].hnext; \
113 	(bn)->hprev = END_OF_HCHAIN(h); \
114 	thisfile->hashtbl[h].hnext->hprev = (bn); \
115 	thisfile->hashtbl[h].hnext = (bn);
150 	struct bufnode *bn;
176 	FOR_BUFS_IN_CHAIN(h, bn)
178 		bp = bufnode_buf(bn);
191 	if (bn == END_OF_HCHAIN(h))
217 		bn = ch_buftail;
218 		bp = bufnode_buf(bn);
219 		BUF_HASH_RM(bn); /* Remove from old hash chain. */
222 		BUF_HASH_INS(bn, h); /* Insert into new hash chain. */
337 		if (ch_bufhead != bn)
343 			BUF_RM(bn);
344 			BUF_INS_HEAD(bn);
349 			BUF_HASH_RM(bn);
350 			BUF_HASH_INS(bn, h);
413 	struct bufnode *bn;
424 		FOR_BUFS(bn)
426 			bp = bufnode_buf(bn);
451 	struct bufnode *bn;
455 	FOR_BUFS_IN_CHAIN(h, bn)
457 		bp = bufnode_buf(bn);
534 	struct bufnode *bn;
542 	FOR_BUFS(bn)
544 		bp = bufnode_buf(bn);
560 	struct bufnode *bn;
576 	FOR_BUFS(bn)
578 		if (bufnode_buf(bn)->block < bufnode_buf(firstbn)->block)
579 			firstbn = bn;
677 	struct bufnode *bn;
695 	FOR_BUFS(bn)
697 		bufnode_buf(bn)->block = -1;
734 	struct bufnode *bn;
745 	bn = &bp->node;
747 	BUF_INS_TAIL(bn);
748 	BUF_HASH_INS(bn, 0);
771 	struct bufnode *bn;
775 		bn = ch_bufhead;
776 		BUF_RM(bn);
777 		free(bufnode_buf(bn));
922 	struct bufnode *bn;
934 	for (bn = fs->next; bn != &fs->buflist;  bn = bn->next)
936 		bp = bufnode_buf(bn);