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()
226 		     int offs, int quiet, int must_chk_crc)  in ubifs_check_node()  argument
232 	ubifs_assert(c, lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_check_node()
233 	ubifs_assert(c, !(offs & 7) && offs < c->leb_size);  in ubifs_check_node()
252 	if (node_len + offs > c->leb_size)  in ubifs_check_node()
285 		ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_check_node()
289 			int safe_len = min3(node_len, c->leb_size - offs,  in ubifs_check_node()
559 	       wbuf->lnum, wbuf->offs, wbuf->used, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_sync_nolock()
561 	ubifs_assert(c, wbuf->offs + wbuf->size <= c->leb_size);  in ubifs_wbuf_sync_nolock()
566 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_sync_nolock()
567 		ubifs_assert(c, !((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_sync_nolock()
580 	err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, sync_len);  in ubifs_wbuf_sync_nolock()
585 	wbuf->offs += sync_len;  in ubifs_wbuf_sync_nolock()
596 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_sync_nolock()
597 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_sync_nolock()
598 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_sync_nolock()
599 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_sync_nolock()
609 					  c->leb_size - wbuf->offs, dirt);  in ubifs_wbuf_sync_nolock()
623 int ubifs_wbuf_seek_nolock(struct ubifs_wbuf *wbuf, int lnum, int offs)  in ubifs_wbuf_seek_nolock()  argument
627 	dbg_io("LEB %d:%d, jhead %s", lnum, offs, dbg_jhead(wbuf->jhead));  in ubifs_wbuf_seek_nolock()
629 	ubifs_assert(c, offs >= 0 && offs <= c->leb_size);  in ubifs_wbuf_seek_nolock()
630 	ubifs_assert(c, offs % c->min_io_size == 0 && !(offs & 7));  in ubifs_wbuf_seek_nolock()
636 	wbuf->offs = offs;  in ubifs_wbuf_seek_nolock()
637 	if (c->leb_size - wbuf->offs < c->max_write_size)  in ubifs_wbuf_seek_nolock()
638 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_seek_nolock()
639 	else if (wbuf->offs & (c->max_write_size - 1))  in ubifs_wbuf_seek_nolock()
640 		wbuf->size = ALIGN(wbuf->offs, c->max_write_size) - wbuf->offs;  in ubifs_wbuf_seek_nolock()
737 	       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs + wbuf->used);  in ubifs_wbuf_write_nolock()
739 	ubifs_assert(c, wbuf->offs >= 0 && wbuf->offs % c->min_io_size == 0);  in ubifs_wbuf_write_nolock()
740 	ubifs_assert(c, !(wbuf->offs & 7) && wbuf->offs <= c->leb_size);  in ubifs_wbuf_write_nolock()
748 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
749 		ubifs_assert(c, !((wbuf->offs + wbuf->size) % c->max_write_size));  in ubifs_wbuf_write_nolock()
751 	if (c->leb_size - wbuf->offs - wbuf->used < aligned_len) {  in ubifs_wbuf_write_nolock()
774 			       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
776 					      wbuf->offs, wbuf->size);  in ubifs_wbuf_write_nolock()
781 			wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
782 			if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
785 				wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
809 		       dbg_jhead(wbuf->jhead), wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
811 		err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
816 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
820 	} else if (wbuf->offs & (c->max_write_size - 1)) {  in ubifs_wbuf_write_nolock()
829 		       wbuf->size, wbuf->lnum, wbuf->offs);  in ubifs_wbuf_write_nolock()
830 		err = ubifs_leb_write(c, wbuf->lnum, buf, wbuf->offs,  in ubifs_wbuf_write_nolock()
835 		wbuf->offs += wbuf->size;  in ubifs_wbuf_write_nolock()
852 		       wbuf->offs);  in ubifs_wbuf_write_nolock()
858 					      wbuf->offs, m);  in ubifs_wbuf_write_nolock()
861 			wbuf->offs += m;  in ubifs_wbuf_write_nolock()
879 		err = ubifs_leb_write(c, wbuf->lnum, wbuf->buf, wbuf->offs, n);  in ubifs_wbuf_write_nolock()
882 		wbuf->offs += n;  in ubifs_wbuf_write_nolock()
902 	if (c->leb_size - wbuf->offs >= c->max_write_size)  in ubifs_wbuf_write_nolock()
905 		wbuf->size = c->leb_size - wbuf->offs;  in ubifs_wbuf_write_nolock()
913 		int free = c->leb_size - wbuf->offs - wbuf->used;  in ubifs_wbuf_write_nolock()
927 		  len, wbuf->lnum, wbuf->offs, err);  in ubifs_wbuf_write_nolock()
950 			  int offs, int hmac_offs)  in ubifs_write_node_hmac()  argument
955 	       lnum, offs, dbg_ntype(((struct ubifs_ch *)buf)->node_type), len,  in ubifs_write_node_hmac()
957 	ubifs_assert(c, lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_write_node_hmac()
958 	ubifs_assert(c, offs % c->min_io_size == 0 && offs < c->leb_size);  in ubifs_write_node_hmac()
969 	err = ubifs_leb_write(c, lnum, buf, offs, buf_len);  in ubifs_write_node_hmac()
991 		     int offs)  in ubifs_write_node()  argument
993 	return ubifs_write_node_hmac(c, buf, len, lnum, offs, -1);  in ubifs_write_node()
1012 			 int lnum, int offs)  in ubifs_read_node_wbuf()  argument
1018 	dbg_io("LEB %d:%d, %s, length %d, jhead %s", lnum, offs,  in ubifs_read_node_wbuf()
1020 	ubifs_assert(c, wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node_wbuf()
1021 	ubifs_assert(c, !(offs & 7) && offs < c->leb_size);  in ubifs_read_node_wbuf()
1025 	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);  in ubifs_read_node_wbuf()
1029 		return ubifs_read_node(c, buf, type, len, lnum, offs);  in ubifs_read_node_wbuf()
1033 	rlen = wbuf->offs - offs;  in ubifs_read_node_wbuf()
1038 	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);  in ubifs_read_node_wbuf()
1043 		err = ubifs_leb_read(c, lnum, buf, offs, rlen, 0);  in ubifs_read_node_wbuf()
1054 	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);  in ubifs_read_node_wbuf()
1069 	ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);  in ubifs_read_node_wbuf()
1089 		    int lnum, int offs)  in ubifs_read_node()  argument
1094 	dbg_io("LEB %d:%d, %s, length %d", lnum, offs, dbg_ntype(type), len);  in ubifs_read_node()
1095 	ubifs_assert(c, lnum >= 0 && lnum < c->leb_cnt && offs >= 0);  in ubifs_read_node()
1096 	ubifs_assert(c, len >= UBIFS_CH_SZ && offs + len <= c->leb_size);  in ubifs_read_node()
1097 	ubifs_assert(c, !(offs & 7) && offs < c->leb_size);  in ubifs_read_node()
1100 	err = ubifs_leb_read(c, lnum, buf, offs, len, 0);  in ubifs_read_node()
1110 	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);  in ubifs_read_node()
1126 		   offs, ubi_is_mapped(c->ubi, lnum));  in ubifs_read_node()
1159 	wbuf->lnum = wbuf->offs = -1;  in ubifs_wbuf_init()