93 int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,  in ubifs_leb_read()  argument
98 	err = ubi_read(c->ubi, lnum, buf, offs, len);  in ubifs_leb_read()
105 			  len, lnum, offs, err);  in ubifs_leb_read()
111 int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,  in ubifs_leb_write()  argument
120 		err = ubi_leb_write(c->ubi, lnum, buf, offs, len);  in ubifs_leb_write()
123 		err = dbg_leb_write(c, lnum, buf, offs, len);  in ubifs_leb_write()
127 			  len, lnum, offs, err);  in ubifs_leb_write()
240 		     int offs, int quiet, int must_chk_crc)  in ubifs_check_node()  argument
246 	ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_check_node()
247 	ubifs_assert(!(offs & 7) && offs < c->leb_size);  in ubifs_check_node()
266 	if (node_len + offs > c->leb_size)  in ubifs_check_node()
297 		ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_check_node()
510 	       wbuf->lnum, wbuf->offs, wbuf->used, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_sync_nolock()
512 	ubifs_assert(wbuf->offs + wbuf->size <= c->leb_size);  in ubifs_wbuf_sync_nolock()
517 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_sync_nolock()
518 		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_sync_nolock()
531 	err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len);  in ubifs_wbuf_sync_nolock()
536 	wbuf->offs += sync_len;  in ubifs_wbuf_sync_nolock()
547 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_sync_nolock()
548 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_sync_nolock()
549 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_sync_nolock()
550 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_sync_nolock()
560 					  c->leb_size - wbuf->offs, dirt);  in ubifs_wbuf_sync_nolock()
574 int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs)  in ubifs_wbuf_seek_nolock()  argument
578 	dbg_io("LEB %d:%d, jhead %s", lnum, offs, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_seek_nolock()
580 	ubifs_assert(offs >= 0 && offs <= c->leb_size);  in ubifs_wbuf_seek_nolock()
581 	ubifs_assert(offs % c->min_io_size == 0 && !(offs & 7));  in ubifs_wbuf_seek_nolock()
587 	wbuf->offs = offs;  in ubifs_wbuf_seek_nolock()
588 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_seek_nolock()
589 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_seek_nolock()
590 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_seek_nolock()
591 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_seek_nolock()
689 	       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs + wbuf->used);  in ubifs_wbuf_write_nolock()
691 	ubifs_assert(wbuf->offs >= 0 && wbuf->offs % c->min_io_size == 0);  in ubifs_wbuf_write_nolock()
692 	ubifs_assert(!(wbuf->offs & 7) && wbuf->offs <= c->leb_size);  in ubifs_wbuf_write_nolock()
700 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
701 		ubifs_assert(!((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_write_nolock()
703 	if (c->leb_size - wbuf->offs - wbuf->used < aligned_len) {  in ubifs_wbuf_write_nolock()
722 			       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
724 					      wbuf->offs, wbuf->size);  in ubifs_wbuf_write_nolock()
729 			wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
730 			if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
733 				wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
757 		       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
759 		err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
764 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
768 	} else if (wbuf->offs & (c->max_write_size - 1)) {  in ubifs_wbuf_write_nolock()
777 		       wbuf->size, wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
778 		err = ubifs_leb_write(c, wbuf->lnum, buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
783 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
799 		       wbuf->offs);  in ubifs_wbuf_write_nolock()
801 				      wbuf->offs, n);  in ubifs_wbuf_write_nolock()
804 		wbuf->offs += n;  in ubifs_wbuf_write_nolock()
819 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
822 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
830 		int free = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_wbuf_write_nolock()
844 		  len, wbuf->lnum, wbuf->offs, err);  in ubifs_wbuf_write_nolock()
866 		     int offs)  in ubifs_write_node()  argument
871 	       lnum, offs, dbg_ntype(((struct ubifs_ch *)buf)->node_type), len,  in ubifs_write_node()
873 	ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_write_node()
874 	ubifs_assert(offs % c->min_io_size == 0 && offs < c->leb_size);  in ubifs_write_node()
882 	err = ubifs_leb_write(c, lnum, buf, offs, buf_len);  in ubifs_write_node()
906 			 int lnum, int offs)  in ubifs_read_node_wbuf()  argument
912 	dbg_io("LEB %d:%d, %s, length %d, jhead %s", lnum, offs,  in ubifs_read_node_wbuf()
914 	ubifs_assert(wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node_wbuf()
915 	ubifs_assert(!(offs & 7) && offs < c->leb_size);  in ubifs_read_node_wbuf()
919 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in ubifs_read_node_wbuf()
923 		return ubifs_read_node(c, buf, type, len, lnum, offs);  in ubifs_read_node_wbuf()
927 	rlen = wbuf->offs - offs;  in ubifs_read_node_wbuf()
932 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in ubifs_read_node_wbuf()
937 		err = ubifs_leb_read(c, lnum, buf, offs, rlen, 0);  in ubifs_read_node_wbuf()
948 	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);  in ubifs_read_node_wbuf()
963 	ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_read_node_wbuf()
983 		    int lnum, int offs)  in ubifs_read_node()  argument
988 	dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len);  in ubifs_read_node()
989 	ubifs_assert(lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node()
990 	ubifs_assert(len >= UBIFS_CH_SZ && offs + len <= c->leb_size);  in ubifs_read_node()
991 	ubifs_assert(!(offs & 7) && offs < c->leb_size);  in ubifs_read_node()
994 	err = ubifs_leb_read(c, lnum, buf, offs, len, 0);  in ubifs_read_node()
1004 	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);  in ubifs_read_node()
1020 		   offs, ubi_is_mapped(c->ubi, lnum));  in ubifs_read_node()
1053 	wbuf->lnum = wbuf->offs = -1;  in ubifs_wbuf_init()