342 	lp.crc = bch2_extent_crc_unpack(l.k, NULL);  in bch2_extent_merge()
343 	rp.crc = bch2_extent_crc_unpack(r.k, NULL);  in bch2_extent_merge()
347 		if (lp.ptr.offset + lp.crc.offset + lp.crc.live_size !=  in bch2_extent_merge()
348 		    rp.ptr.offset + rp.crc.offset ||  in bch2_extent_merge()
371 		if (lp.crc.compression_type	!= rp.crc.compression_type ||  in bch2_extent_merge()
372 		    lp.crc.nonce		!= rp.crc.nonce)  in bch2_extent_merge()
375 		if (lp.crc.offset + lp.crc.live_size + rp.crc.live_size <=  in bch2_extent_merge()
376 		    lp.crc.uncompressed_size) {  in bch2_extent_merge()
377 			/* can use left extent's crc entry */  in bch2_extent_merge()
378 		} else if (lp.crc.live_size <= rp.crc.offset) {  in bch2_extent_merge()
379 			/* can use right extent's crc entry */  in bch2_extent_merge()
382 			if (lp.crc.csum_type		!= rp.crc.csum_type ||  in bch2_extent_merge()
383 			    lp.crc.nonce		!= rp.crc.nonce ||  in bch2_extent_merge()
384 			    crc_is_compressed(lp.crc) ||  in bch2_extent_merge()
385 			    !bch2_checksum_mergeable(lp.crc.csum_type))  in bch2_extent_merge()
388 			if (lp.crc.offset + lp.crc.live_size != lp.crc.compressed_size ||  in bch2_extent_merge()
389 			    rp.crc.offset)  in bch2_extent_merge()
392 			if (lp.crc.csum_type &&  in bch2_extent_merge()
393 			    lp.crc.uncompressed_size +  in bch2_extent_merge()
394 			    rp.crc.uncompressed_size > (c->opts.encoded_extent_max >> 9))  in bch2_extent_merge()
436 				/* can use left extent's crc entry */  in bch2_extent_merge()
438 				/* can use right extent's crc entry */  in bch2_extent_merge()
532 	struct bch_extent_crc_unpacked crc;  in bch2_can_narrow_extent_crcs()  local
538 	bkey_for_each_crc(k.k, ptrs, crc, i)  in bch2_can_narrow_extent_crcs()
539 		if (can_narrow_crc(crc, n))  in bch2_can_narrow_extent_crcs()
582 		if (can_narrow_crc(p.crc, n)) {  in bch2_bkey_narrow_crcs()
584 			p.ptr.offset += p.crc.offset;  in bch2_bkey_narrow_crcs()
585 			p.crc = n;  in bch2_bkey_narrow_crcs()
638 	union bch_extent_crc *crc = (void *) ptrs.end;  in bch2_extent_crc_append()  local
656 	bch2_extent_crc_pack(crc, new, type);  in bch2_extent_crc_append()
689 			ret += !p.ptr.cached && !crc_is_compressed(p.crc);  in bch2_bkey_nr_ptrs_fully_allocated()
703 		if (!p.ptr.cached && crc_is_compressed(p.crc))  in bch2_bkey_sectors_compressed()
704 			ret += p.crc.compressed_size;  in bch2_bkey_sectors_compressed()
713 	struct bch_extent_crc_unpacked crc;  in bch2_bkey_is_incompressible()  local
715 	bkey_for_each_crc(k.k, ptrs, crc, entry)  in bch2_bkey_is_incompressible()
716 		if (crc.compression_type == BCH_COMPRESSION_TYPE_incompressible)  in bch2_bkey_is_incompressible()
813 	struct bch_extent_crc_unpacked crc =  in bch2_extent_ptr_decoded_append()  local
817 	if (!bch2_crc_unpacked_cmp(crc, p->crc)) {  in bch2_extent_ptr_decoded_append()
822 	bkey_for_each_crc(&k->k, ptrs, crc, pos)  in bch2_extent_ptr_decoded_append()
823 		if (!bch2_crc_unpacked_cmp(crc, p->crc)) {  in bch2_extent_ptr_decoded_append()
828 	bch2_extent_crc_append(k, p->crc);  in bch2_extent_ptr_decoded_append()
979 		    (s64) p.ptr.offset + p.crc.offset - bkey_start_offset(k.k) ==  in bch2_bkey_matches_ptr()
1014 				    (s64) p1.ptr.offset + p1.crc.offset - bkey_start_offset(k1.k) ==  in bch2_extents_match()
1015 				    (s64) p2.ptr.offset + p2.crc.offset - bkey_start_offset(k2.k) &&  in bch2_extents_match()
1027 				      p1.ptr.offset  < p2.ptr.offset + p2.crc.compressed_size) ||  in bch2_extents_match()
1029 				      p2.ptr.offset  < p1.ptr.offset + p1.crc.compressed_size)))  in bch2_extents_match()
1049 		    (s64) p1.ptr.offset + p1.crc.offset - bkey_start_offset(k1.k) ==  in bch2_extent_has_ptr()
1050 		    (s64) p2.ptr.offset + p2.crc.offset - bkey_start_offset(k2.k))  in bch2_extent_has_ptr()
1187 void bch2_extent_crc_unpacked_to_text(struct printbuf *out, struct bch_extent_crc_unpacked *crc)  in bch2_extent_crc_unpacked_to_text()  argument
1189 	prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum ",  in bch2_extent_crc_unpacked_to_text()
1190 		   crc->compressed_size,  in bch2_extent_crc_unpacked_to_text()
1191 		   crc->uncompressed_size,  in bch2_extent_crc_unpacked_to_text()
1192 		   crc->offset, crc->nonce);  in bch2_extent_crc_unpacked_to_text()
1193 	bch2_prt_csum_type(out, crc->csum_type);  in bch2_extent_crc_unpacked_to_text()
1194 	prt_printf(out, " %0llx:%0llx ", crc->csum.hi, crc->csum.lo);  in bch2_extent_crc_unpacked_to_text()
1196 	bch2_prt_compression_type(out, crc->compression_type);  in bch2_extent_crc_unpacked_to_text()
1272 			struct bch_extent_crc_unpacked crc =  in bch2_bkey_ptrs_to_text()  local
1275 			bch2_extent_crc_unpacked_to_text(out, &crc);  in bch2_bkey_ptrs_to_text()
1350 	struct bch_extent_crc_unpacked crc;  in bch2_bkey_ptrs_validate()  local
1393 			crc = bch2_extent_crc_unpack(k.k, entry_to_crc(entry));  in bch2_bkey_ptrs_validate()
1395 			bkey_fsck_err_on(!bch2_checksum_type_valid(c, crc.csum_type),  in bch2_bkey_ptrs_validate()
1398 			bkey_fsck_err_on(crc.compression_type >= BCH_COMPRESSION_TYPE_NR,  in bch2_bkey_ptrs_validate()
1402 			bkey_fsck_err_on(crc.offset + crc.live_size > crc.uncompressed_size,  in bch2_bkey_ptrs_validate()
1405 			bkey_fsck_err_on(crc_is_encoded(crc) &&  in bch2_bkey_ptrs_validate()
1406 					 (crc.uncompressed_size > c->opts.encoded_extent_max >> 9) &&  in bch2_bkey_ptrs_validate()
1410 			bkey_fsck_err_on(!crc_is_compressed(crc) &&  in bch2_bkey_ptrs_validate()
1411 					 crc.compressed_size != crc.uncompressed_size,  in bch2_bkey_ptrs_validate()
1415 			if (bch2_csum_type_is_encryption(crc.csum_type)) {  in bch2_bkey_ptrs_validate()
1417 					nonce = crc.offset + crc.nonce;  in bch2_bkey_ptrs_validate()
1418 				else if (nonce != crc.offset + crc.nonce)  in bch2_bkey_ptrs_validate()
1425 					 "redundant crc entry");  in bch2_bkey_ptrs_validate()
1428 			size_ondisk = crc.compressed_size;  in bch2_bkey_ptrs_validate()
1476 			 "redundant crc entry");  in bch2_bkey_ptrs_validate()