92 int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,  in ubifs_leb_read()  argument
97 	err = ubi_read(c->ubi, lnum, buf, offs, len);  in ubifs_leb_read()
104 			  len, lnum, offs, err);  in ubifs_leb_read()
110 int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,  in ubifs_leb_write()  argument
119 		err = ubi_leb_write(c->ubi, lnum, buf, offs, len);  in ubifs_leb_write()
122 		err = dbg_leb_write(c, lnum, buf, offs, len);  in ubifs_leb_write()
126 			  len, lnum, offs, err);  in ubifs_leb_write()
239 		     int offs, int quiet, int must_chk_crc)  in ubifs_check_node()  argument
245 	ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_check_node()
246 	ubifs_assert(!(offs & 7) && offs < c->leb_size);  in ubifs_check_node()
265 	if (node_len + offs > c->leb_size)  in ubifs_check_node()
296 		ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_check_node()
509 	       wbuf->lnum, wbuf->offs, wbuf->used, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_sync_nolock()
511 	ubifs_assert(wbuf->offs + wbuf->size <= c->leb_size);  in ubifs_wbuf_sync_nolock()
516 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_sync_nolock()
517 		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_sync_nolock()
530 	err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len);  in ubifs_wbuf_sync_nolock()
535 	wbuf->offs += sync_len;  in ubifs_wbuf_sync_nolock()
546 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_sync_nolock()
547 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_sync_nolock()
548 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_sync_nolock()
549 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_sync_nolock()
559 					  c->leb_size - wbuf->offs, dirt);  in ubifs_wbuf_sync_nolock()
573 int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs)  in ubifs_wbuf_seek_nolock()  argument
577 	dbg_io("LEB %d:%d, jhead %s", lnum, offs, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_seek_nolock()
579 	ubifs_assert(offs >= 0 && offs <= c->leb_size);  in ubifs_wbuf_seek_nolock()
580 	ubifs_assert(offs % c->min_io_size == 0 && !(offs & 7));  in ubifs_wbuf_seek_nolock()
586 	wbuf->offs = offs;  in ubifs_wbuf_seek_nolock()
587 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_seek_nolock()
588 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_seek_nolock()
589 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_seek_nolock()
590 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_seek_nolock()
688 	       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs + wbuf->used);  in ubifs_wbuf_write_nolock()
690 	ubifs_assert(wbuf->offs >= 0 && wbuf->offs % c->min_io_size == 0);  in ubifs_wbuf_write_nolock()
691 	ubifs_assert(!(wbuf->offs & 7) && wbuf->offs <= c->leb_size);  in ubifs_wbuf_write_nolock()
699 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
700 		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_write_nolock()
702 	if (c->leb_size - wbuf->offs - wbuf->used < aligned_len) {  in ubifs_wbuf_write_nolock()
721 			       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
723 					      wbuf->offs, wbuf->size);  in ubifs_wbuf_write_nolock()
728 			wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
729 			if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
732 				wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
756 		       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
758 		err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
763 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
767 	} else if (wbuf->offs & (c->max_write_size - 1)) {  in ubifs_wbuf_write_nolock()
776 		       wbuf->size, wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
777 		err = ubifs_leb_write(c, wbuf->lnum, buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
782 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
798 		       wbuf->offs);  in ubifs_wbuf_write_nolock()
800 				      wbuf->offs, n);  in ubifs_wbuf_write_nolock()
803 		wbuf->offs += n;  in ubifs_wbuf_write_nolock()
818 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
821 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
829 		int free = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_wbuf_write_nolock()
843 		  len, wbuf->lnum, wbuf->offs, err);  in ubifs_wbuf_write_nolock()
865 		     int offs)  in ubifs_write_node()  argument
870 	       lnum, offs, dbg_ntype(((struct ubifs_ch *)buf)->node_type), len,  in ubifs_write_node()
872 	ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_write_node()
873 	ubifs_assert(offs % c->min_io_size == 0 && offs < c->leb_size);  in ubifs_write_node()
881 	err = ubifs_leb_write(c, lnum, buf, offs, buf_len);  in ubifs_write_node()
905 			 int lnum, int offs)  in ubifs_read_node_wbuf()  argument
911 	dbg_io("LEB %d:%d, %s, length %d, jhead %s", lnum, offs,  in ubifs_read_node_wbuf()
913 	ubifs_assert(wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node_wbuf()
914 	ubifs_assert(!(offs & 7) && offs < c->leb_size);  in ubifs_read_node_wbuf()
918 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in ubifs_read_node_wbuf()
922 		return ubifs_read_node(c, buf, type, len, lnum, offs);  in ubifs_read_node_wbuf()
926 	rlen = wbuf->offs - offs;  in ubifs_read_node_wbuf()
931 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in ubifs_read_node_wbuf()
936 		err = ubifs_leb_read(c, lnum, buf, offs, rlen, 0);  in ubifs_read_node_wbuf()
947 	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);  in ubifs_read_node_wbuf()
962 	ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_read_node_wbuf()
982 		    int lnum, int offs)  in ubifs_read_node()  argument
987 	dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len);  in ubifs_read_node()
988 	ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node()
989 	ubifs_assert(len >= UBIFS_CH_SZ && offs + len <= c->leb_size);  in ubifs_read_node()
990 	ubifs_assert(!(offs & 7) && offs < c->leb_size);  in ubifs_read_node()
993 	err = ubifs_leb_read(c, lnum, buf, offs, len, 0);  in ubifs_read_node()
1003 	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);  in ubifs_read_node()
1019 		   offs, ubi_is_mapped(c->ubi, lnum));  in ubifs_read_node()
1052 	wbuf->lnum = wbuf->offs = -1;  in ubifs_wbuf_init()