fs/ubifs/lpt_commit.c

24  * first_dirty_cnode - find first dirty cnode.
28  * This function returns the first dirty cnode or %NULL if there is not one.
37 			struct ubifs_cnode *cnode;
39 			cnode = nnode->nbranch[i].cnode;
40 			if (cnode &&
41 			    test_bit(DIRTY_CNODE, &cnode->flags)) {
42 				if (cnode->level == 0)
43 					return cnode;
44 				nnode = (struct ubifs_nnode *)cnode;
55  * next_dirty_cnode - find next dirty cnode.
57  * @cnode: cnode from which to begin searching
59  * This function returns the next dirty cnode or %NULL if there is not one.
61 static struct ubifs_cnode *next_dirty_cnode(const struct ubifs_info *c, struct ubifs_cnode *cnode)
66 	ubifs_assert(c, cnode);
67 	nnode = cnode->parent;
70 	for (i = cnode->iip + 1; i < UBIFS_LPT_FANOUT; i++) {
71 		cnode = nnode->nbranch[i].cnode;
72 		if (cnode && test_bit(DIRTY_CNODE, &cnode->flags)) {
73 			if (cnode->level == 0)
74 				return cnode; /* cnode is a pnode */
75 			/* cnode is a nnode */
76 			return first_dirty_cnode(c, (struct ubifs_nnode *)cnode);
90 	struct ubifs_cnode *cnode, *cnext;
100 	cnode = c->lpt_cnext;
101 	if (!cnode)
105 		ubifs_assert(c, !test_bit(COW_CNODE, &cnode->flags));
106 		__set_bit(COW_CNODE, &cnode->flags);
107 		cnext = next_dirty_cnode(c, cnode);
109 			cnode->cnext = c->lpt_cnext;
112 		cnode->cnext = cnext;
113 		cnode = cnext;
185 	struct ubifs_cnode *cnode;
190 	cnode = c->lpt_cnext;
191 	if (!cnode)
215 		if (cnode->level) {
251 		if (cnode->parent) {
252 			cnode->parent->nbranch[cnode->iip].lnum = lnum;
253 			cnode->parent->nbranch[cnode->iip].offs = offs;
260 		cnode = cnode->cnext;
261 	} while (cnode && cnode != c->lpt_cnext);
363 	struct ubifs_cnode *cnode;
366 	cnode = c->lpt_cnext;
367 	if (!cnode)
395 	/* Loop for each cnode */
397 		if (cnode->level)
438 		if (cnode->level)
440 					 (struct ubifs_nnode *)cnode);
443 					 (struct ubifs_pnode *)cnode);
450 		clear_bit(DIRTY_CNODE, &cnode->flags);
452 		clear_bit(COW_CNODE, &cnode->flags);
456 		cnode = cnode->cnext;
457 	} while (cnode && cnode != c->lpt_cnext);
1258 	struct ubifs_cnode *cnode, *cnext;
1264 		cnode = cnext;
1265 		cnext = cnode->cnext;
1266 		if (test_bit(OBSOLETE_CNODE, &cnode->flags))
1267 			kfree(cnode);
1269 			cnode->cnext = NULL;