87 int ubifs_leb_read(const struct ubifs_info *c, int lnum, void *buf, int offs,  in ubifs_leb_read()  argument
92 	err = ubi_read(c->ubi, lnum, buf, offs, len);  in ubifs_leb_read()
99 			  len, lnum, offs, err);  in ubifs_leb_read()
105 int ubifs_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs,  in ubifs_leb_write()  argument
114 		err = ubi_leb_write(c->ubi, lnum, buf, offs, len);  in ubifs_leb_write()
116 		err = dbg_leb_write(c, lnum, buf, offs, len);  in ubifs_leb_write()
119 			  len, lnum, offs, err);  in ubifs_leb_write()
245 		     int lnum, int offs, int quiet, int must_chk_crc)  in ubifs_check_node()  argument
251 	ubifs_assert(c, lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_check_node()
252 	ubifs_assert(c, !(offs & 7) && offs < c->leb_size);  in ubifs_check_node()
273 	if (node_len + offs > c->leb_size)  in ubifs_check_node()
305 		ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_check_node()
569 	       wbuf->lnum, wbuf->offs, wbuf->used, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_sync_nolock()
571 	ubifs_assert(c, wbuf->offs + wbuf->size <= c->leb_size);  in ubifs_wbuf_sync_nolock()
576 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_sync_nolock()
577 		ubifs_assert(c, !((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_sync_nolock()
590 	err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len);  in ubifs_wbuf_sync_nolock()
595 	wbuf->offs += sync_len;  in ubifs_wbuf_sync_nolock()
606 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_sync_nolock()
607 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_sync_nolock()
608 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_sync_nolock()
609 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_sync_nolock()
619 					  c->leb_size - wbuf->offs, dirt);  in ubifs_wbuf_sync_nolock()
633 int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs)  in ubifs_wbuf_seek_nolock()  argument
637 	dbg_io("LEB %d:%d, jhead %s", lnum, offs, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_seek_nolock()
639 	ubifs_assert(c, offs >= 0 && offs <= c->leb_size);  in ubifs_wbuf_seek_nolock()
640 	ubifs_assert(c, offs % c->min_io_size == 0 && !(offs & 7));  in ubifs_wbuf_seek_nolock()
646 	wbuf->offs = offs;  in ubifs_wbuf_seek_nolock()
647 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_seek_nolock()
648 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_seek_nolock()
649 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_seek_nolock()
650 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_seek_nolock()
747 	       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs + wbuf->used);  in ubifs_wbuf_write_nolock()
749 	ubifs_assert(c, wbuf->offs >= 0 && wbuf->offs % c->min_io_size == 0);  in ubifs_wbuf_write_nolock()
750 	ubifs_assert(c, !(wbuf->offs & 7) && wbuf->offs <= c->leb_size);  in ubifs_wbuf_write_nolock()
758 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
759 		ubifs_assert(c, !((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_write_nolock()
761 	if (c->leb_size - wbuf->offs - wbuf->used < aligned_len) {  in ubifs_wbuf_write_nolock()
784 			       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
786 					      wbuf->offs, wbuf->size);  in ubifs_wbuf_write_nolock()
791 			wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
792 			if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
795 				wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
817 		       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
819 		err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
824 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
828 	} else if (wbuf->offs & (c->max_write_size - 1)) {  in ubifs_wbuf_write_nolock()
837 		       wbuf->size, wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
838 		err = ubifs_leb_write(c, wbuf->lnum, buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
843 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
860 		       wbuf->offs);  in ubifs_wbuf_write_nolock()
866 					      wbuf->offs, m);  in ubifs_wbuf_write_nolock()
869 			wbuf->offs += m;  in ubifs_wbuf_write_nolock()
887 		err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, n);  in ubifs_wbuf_write_nolock()
890 		wbuf->offs += n;  in ubifs_wbuf_write_nolock()
910 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
913 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
921 		int free = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_wbuf_write_nolock()
935 		  len, wbuf->lnum, wbuf->offs, err);  in ubifs_wbuf_write_nolock()
958 			  int offs, int hmac_offs)  in ubifs_write_node_hmac()  argument
963 	       lnum, offs, dbg_ntype(((struct ubifs_ch *)buf)->node_type), len,  in ubifs_write_node_hmac()
965 	ubifs_assert(c, lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_write_node_hmac()
966 	ubifs_assert(c, offs % c->min_io_size == 0 && offs < c->leb_size);  in ubifs_write_node_hmac()
977 	err = ubifs_leb_write(c, lnum, buf, offs, buf_len);  in ubifs_write_node_hmac()
999 		     int offs)  in ubifs_write_node()  argument
1001 	return ubifs_write_node_hmac(c, buf, len, lnum, offs, -1);  in ubifs_write_node()
1020 			 int lnum, int offs)  in ubifs_read_node_wbuf()  argument
1026 	dbg_io("LEB %d:%d, %s, length %d, jhead %s", lnum, offs,  in ubifs_read_node_wbuf()
1028 	ubifs_assert(c, wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node_wbuf()
1029 	ubifs_assert(c, !(offs & 7) && offs < c->leb_size);  in ubifs_read_node_wbuf()
1033 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in ubifs_read_node_wbuf()
1037 		return ubifs_read_node(c, buf, type, len, lnum, offs);  in ubifs_read_node_wbuf()
1041 	rlen = wbuf->offs - offs;  in ubifs_read_node_wbuf()
1046 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in ubifs_read_node_wbuf()
1051 		err = ubifs_leb_read(c, lnum, buf, offs, rlen, 0);  in ubifs_read_node_wbuf()
1062 	err = ubifs_check_node(c, buf, len, lnum, offs, 0, 0);  in ubifs_read_node_wbuf()
1077 	ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_read_node_wbuf()
1097 		    int lnum, int offs)  in ubifs_read_node()  argument
1102 	dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len);  in ubifs_read_node()
1103 	ubifs_assert(c, lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node()
1104 	ubifs_assert(c, len >= UBIFS_CH_SZ && offs + len <= c->leb_size);  in ubifs_read_node()
1105 	ubifs_assert(c, !(offs & 7) && offs < c->leb_size);  in ubifs_read_node()
1108 	err = ubifs_leb_read(c, lnum, buf, offs, len, 0);  in ubifs_read_node()
1118 	err = ubifs_check_node(c, buf, len, lnum, offs, 0, 0);  in ubifs_read_node()
1134 		   offs, ubi_is_mapped(c->ubi, lnum));  in ubifs_read_node()
1167 	wbuf->lnum = wbuf->offs = -1;  in ubifs_wbuf_init()