fs/ubifs/lpt_commit.c

184 	int lnum, offs, len, alen, done_lsave, done_ltab, err;
194 	offs = c->nhead_offs;
198 	if (!done_lsave && offs + c->lsave_sz <= c->leb_size) {
201 		c->lsave_offs = offs;
202 		offs += c->lsave_sz;
206 	if (offs + c->ltab_sz <= c->leb_size) {
209 		c->ltab_offs = offs;
210 		offs += c->ltab_sz;
222 		while (offs + len > c->leb_size) {
223 			alen = ALIGN(offs, c->min_io_size);
224 			upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
225 			dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
229 			offs = 0;
236 				c->lsave_offs = offs;
237 				offs += c->lsave_sz;
244 				c->ltab_offs = offs;
245 				offs += c->ltab_sz;
253 			cnode->parent->nbranch[cnode->iip].offs = offs;
256 			c->lpt_offs = offs;
258 		offs += len;
265 		if (offs + c->lsave_sz > c->leb_size) {
266 			alen = ALIGN(offs, c->min_io_size);
267 			upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
268 			dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
272 			offs = 0;
278 		c->lsave_offs = offs;
279 		offs += c->lsave_sz;
285 		if (offs + c->ltab_sz > c->leb_size) {
286 			alen = ALIGN(offs, c->min_io_size);
287 			upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
288 			dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
292 			offs = 0;
297 		c->ltab_offs = offs;
298 		offs += c->ltab_sz;
302 	alen = ALIGN(offs, c->min_io_size);
303 	upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
304 	dbg_chk_lpt_sz(c, 4, alen - offs);
312 		  lnum, offs, len, done_ltab, done_lsave);
362 	int lnum, offs, len, from, err, wlen, alen, done_ltab, done_lsave;
370 	offs = c->nhead_offs;
371 	from = offs;
373 	if (offs == 0) {
381 	if (!done_lsave && offs + c->lsave_sz <= c->leb_size) {
383 		ubifs_pack_lsave(c, buf + offs, c->lsave);
384 		offs += c->lsave_sz;
388 	if (offs + c->ltab_sz <= c->leb_size) {
390 		ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
391 		offs += c->ltab_sz;
401 		while (offs + len > c->leb_size) {
402 			wlen = offs - from;
405 				memset(buf + offs, 0xff, alen - wlen);
411 			dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
415 			offs = from = 0;
424 				ubifs_pack_lsave(c, buf + offs, c->lsave);
425 				offs += c->lsave_sz;
431 				ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
432 				offs += c->ltab_sz;
439 			ubifs_pack_nnode(c, buf + offs,
442 			ubifs_pack_pnode(c, buf + offs,
454 		offs += len;
461 		if (offs + c->lsave_sz > c->leb_size) {
462 			wlen = offs - from;
464 			memset(buf + offs, 0xff, alen - wlen);
468 			dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
472 			offs = from = 0;
480 		ubifs_pack_lsave(c, buf + offs, c->lsave);
481 		offs += c->lsave_sz;
487 		if (offs + c->ltab_sz > c->leb_size) {
488 			wlen = offs - from;
490 			memset(buf + offs, 0xff, alen - wlen);
494 			dbg_chk_lpt_sz(c, 2, c->leb_size - offs);
498 			offs = from = 0;
505 		ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
506 		offs += c->ltab_sz;
511 	wlen = offs - from;
513 	memset(buf + offs, 0xff, alen - wlen);
519 	err = dbg_chk_lpt_sz(c, 3, ALIGN(offs, c->min_io_size));
524 	c->nhead_offs = ALIGN(offs, c->min_io_size);
536 		  lnum, offs, len, done_ltab, done_lsave);
850  * @offs: offset where nnode was written
861 			    int offs)
872 		if (branch->lnum != lnum || branch->offs != offs)
874 	} else if (c->lpt_lnum != lnum || c->lpt_offs != offs)
899  * @offs: offset where pnode was written
910 			    int offs)
919 	if (branch->lnum != lnum || branch->offs != offs)
929  * @offs: offset where ltab was written
939 static int make_ltab_dirty(struct ubifs_info *c, int lnum, int offs)
941 	if (lnum != c->ltab_lnum || offs != c->ltab_offs)
954  * @offs: offset where lsave was written
964 static int make_lsave_dirty(struct ubifs_info *c, int lnum, int offs)
966 	if (lnum != c->lsave_lnum || offs != c->lsave_offs)
981  * @offs: offset where node was written
992 			   int lnum, int offs)
996 		return make_nnode_dirty(c, node_num, lnum, offs);
998 		return make_pnode_dirty(c, node_num, lnum, offs);
1000 		return make_ltab_dirty(c, lnum, offs);
1002 		return make_lsave_dirty(c, lnum, offs);
1035 	int offs, pad_len;
1039 	offs = c->leb_size - len;
1040 	pad_len = ALIGN(offs, c->min_io_size) - offs;
1107 	int err, len = c->leb_size, node_type, node_num, node_len, offs;
1130 		offs = c->leb_size - len;
1133 		err = make_node_dirty(c, node_type, node_num, lnum, offs);
1474  * @offs: offset where nnode was written
1476 static int dbg_is_nnode_dirty(struct ubifs_info *c, int lnum, int offs)
1489 			if (branch->lnum != lnum || branch->offs != offs)
1495 			if (c->lpt_lnum != lnum || c->lpt_offs != offs)
1509  * @offs: offset where pnode was written
1511 static int dbg_is_pnode_dirty(struct ubifs_info *c, int lnum, int offs)
1525 		if (branch->lnum != lnum || branch->offs != offs)
1538  * @offs: offset where ltab node was written
1540 static int dbg_is_ltab_dirty(struct ubifs_info *c, int lnum, int offs)
1542 	if (lnum != c->ltab_lnum || offs != c->ltab_offs)
1551  * @offs: offset where lsave node was written
1553 static int dbg_is_lsave_dirty(struct ubifs_info *c, int lnum, int offs)
1555 	if (lnum != c->lsave_lnum || offs != c->lsave_offs)
1565  * @offs: offset where node was written
1568 			     int offs)
1572 		return dbg_is_nnode_dirty(c, lnum, offs);
1574 		return dbg_is_pnode_dirty(c, lnum, offs);
1576 		return dbg_is_ltab_dirty(c, lnum, offs);
1578 		return dbg_is_lsave_dirty(c, lnum, offs);
1797 			ubifs_err(c, "LPT new nhead offs: expected %d was %d",
1843 	int err, len = c->leb_size, node_type, node_num, node_len, offs;
1858 		offs = c->leb_size - len;
1865 				       lnum, offs, pad_len);
1872 				       lnum, offs, len);
1883 				       lnum, offs, node_num);
1885 				pr_err("LEB %d:%d, pnode\n", lnum, offs);
1896 				       lnum, offs, node_num);
1899 				       lnum, offs);
1908 				       nnode.nbranch[i].offs);
1917 			pr_err("LEB %d:%d, ltab\n", lnum, offs);
1921 			pr_err("LEB %d:%d, lsave len\n", lnum, offs);