273 	lp.crc = bch2_extent_crc_unpack(l.k, NULL);  in bch2_extent_merge()
274 	rp.crc = bch2_extent_crc_unpack(r.k, NULL);  in bch2_extent_merge()
278 		if (lp.ptr.offset + lp.crc.offset + lp.crc.live_size !=  in bch2_extent_merge()
279 		    rp.ptr.offset + rp.crc.offset ||  in bch2_extent_merge()
302 		if (lp.crc.compression_type	!= rp.crc.compression_type ||  in bch2_extent_merge()
303 		    lp.crc.nonce		!= rp.crc.nonce)  in bch2_extent_merge()
306 		if (lp.crc.offset + lp.crc.live_size + rp.crc.live_size <=  in bch2_extent_merge()
307 		    lp.crc.uncompressed_size) {  in bch2_extent_merge()
308 			/* can use left extent's crc entry */  in bch2_extent_merge()
309 		} else if (lp.crc.live_size <= rp.crc.offset) {  in bch2_extent_merge()
310 			/* can use right extent's crc entry */  in bch2_extent_merge()
313 			if (lp.crc.csum_type		!= rp.crc.csum_type ||  in bch2_extent_merge()
314 			    lp.crc.nonce		!= rp.crc.nonce ||  in bch2_extent_merge()
315 			    crc_is_compressed(lp.crc) ||  in bch2_extent_merge()
316 			    !bch2_checksum_mergeable(lp.crc.csum_type))  in bch2_extent_merge()
319 			if (lp.crc.offset + lp.crc.live_size != lp.crc.compressed_size ||  in bch2_extent_merge()
320 			    rp.crc.offset)  in bch2_extent_merge()
323 			if (lp.crc.csum_type &&  in bch2_extent_merge()
324 			    lp.crc.uncompressed_size +  in bch2_extent_merge()
325 			    rp.crc.uncompressed_size > (c->opts.encoded_extent_max >> 9))  in bch2_extent_merge()
367 				/* can use left extent's crc entry */  in bch2_extent_merge()
369 				/* can use right extent's crc entry */  in bch2_extent_merge()
463 	struct bch_extent_crc_unpacked crc;  in bch2_can_narrow_extent_crcs()  local
469 	bkey_for_each_crc(k.k, ptrs, crc, i)  in bch2_can_narrow_extent_crcs()
470 		if (can_narrow_crc(crc, n))  in bch2_can_narrow_extent_crcs()
513 		if (can_narrow_crc(p.crc, n)) {  in bch2_bkey_narrow_crcs()
515 			p.ptr.offset += p.crc.offset;  in bch2_bkey_narrow_crcs()
516 			p.crc = n;  in bch2_bkey_narrow_crcs()
563 	union bch_extent_crc *crc = (void *) ptrs.end;  in bch2_extent_crc_append()  local
581 	bch2_extent_crc_pack(crc, new, type);  in bch2_extent_crc_append()
614 			ret += !p.ptr.cached && !crc_is_compressed(p.crc);  in bch2_bkey_nr_ptrs_fully_allocated()
628 		if (!p.ptr.cached && crc_is_compressed(p.crc))  in bch2_bkey_sectors_compressed()
629 			ret += p.crc.compressed_size;  in bch2_bkey_sectors_compressed()
638 	struct bch_extent_crc_unpacked crc;  in bch2_bkey_is_incompressible()  local
640 	bkey_for_each_crc(k.k, ptrs, crc, entry)  in bch2_bkey_is_incompressible()
641 		if (crc.compression_type == BCH_COMPRESSION_TYPE_incompressible)  in bch2_bkey_is_incompressible()
738 	struct bch_extent_crc_unpacked crc =  in bch2_extent_ptr_decoded_append()  local
742 	if (!bch2_crc_unpacked_cmp(crc, p->crc)) {  in bch2_extent_ptr_decoded_append()
747 	bkey_for_each_crc(&k->k, ptrs, crc, pos)  in bch2_extent_ptr_decoded_append()
748 		if (!bch2_crc_unpacked_cmp(crc, p->crc)) {  in bch2_extent_ptr_decoded_append()
753 	bch2_extent_crc_append(k, p->crc);  in bch2_extent_ptr_decoded_append()
904 		    (s64) p.ptr.offset + p.crc.offset - bkey_start_offset(k.k) ==  in bch2_bkey_matches_ptr()
939 				    (s64) p1.ptr.offset + p1.crc.offset - bkey_start_offset(k1.k) ==  in bch2_extents_match()
940 				    (s64) p2.ptr.offset + p2.crc.offset - bkey_start_offset(k2.k) &&  in bch2_extents_match()
952 				      p1.ptr.offset  < p2.ptr.offset + p2.crc.compressed_size) ||  in bch2_extents_match()
954 				      p2.ptr.offset  < p1.ptr.offset + p1.crc.compressed_size)))  in bch2_extents_match()
974 		    (s64) p1.ptr.offset + p1.crc.offset - bkey_start_offset(k1.k) ==  in bch2_extent_has_ptr()
975 		    (s64) p2.ptr.offset + p2.crc.offset - bkey_start_offset(k2.k))  in bch2_extent_has_ptr()
1111 void bch2_extent_crc_unpacked_to_text(struct printbuf *out, struct bch_extent_crc_unpacked *crc)  in bch2_extent_crc_unpacked_to_text()  argument
1113 	prt_printf(out, "crc: c_size %u size %u offset %u nonce %u csum ",  in bch2_extent_crc_unpacked_to_text()
1114 		   crc->compressed_size,  in bch2_extent_crc_unpacked_to_text()
1115 		   crc->uncompressed_size,  in bch2_extent_crc_unpacked_to_text()
1116 		   crc->offset, crc->nonce);  in bch2_extent_crc_unpacked_to_text()
1117 	bch2_prt_csum_type(out, crc->csum_type);  in bch2_extent_crc_unpacked_to_text()
1118 	prt_printf(out, " %0llx:%0llx ", crc->csum.hi, crc->csum.lo);  in bch2_extent_crc_unpacked_to_text()
1120 	bch2_prt_compression_type(out, crc->compression_type);  in bch2_extent_crc_unpacked_to_text()
1145 			struct bch_extent_crc_unpacked crc =  in bch2_bkey_ptrs_to_text()  local
1148 			bch2_extent_crc_unpacked_to_text(out, &crc);  in bch2_bkey_ptrs_to_text()
1228 	struct bch_extent_crc_unpacked crc;  in bch2_bkey_ptrs_validate()  local
1271 			crc = bch2_extent_crc_unpack(k.k, entry_to_crc(entry));  in bch2_bkey_ptrs_validate()
1273 			bkey_fsck_err_on(crc.offset + crc.live_size > crc.uncompressed_size,  in bch2_bkey_ptrs_validate()
1276 			bkey_fsck_err_on(!bch2_checksum_type_valid(c, crc.csum_type),  in bch2_bkey_ptrs_validate()
1279 			bkey_fsck_err_on(crc.compression_type >= BCH_COMPRESSION_TYPE_NR,  in bch2_bkey_ptrs_validate()
1283 			if (bch2_csum_type_is_encryption(crc.csum_type)) {  in bch2_bkey_ptrs_validate()
1285 					nonce = crc.offset + crc.nonce;  in bch2_bkey_ptrs_validate()
1286 				else if (nonce != crc.offset + crc.nonce)  in bch2_bkey_ptrs_validate()
1293 					 "redundant crc entry");  in bch2_bkey_ptrs_validate()
1296 			bkey_fsck_err_on(crc_is_encoded(crc) &&  in bch2_bkey_ptrs_validate()
1297 					 (crc.uncompressed_size > c->opts.encoded_extent_max >> 9) &&  in bch2_bkey_ptrs_validate()
1302 			size_ondisk = crc.compressed_size;  in bch2_bkey_ptrs_validate()
1345 			 "redundant crc entry");  in bch2_bkey_ptrs_validate()
1419 			if (p.crc.compression_type == BCH_COMPRESSION_TYPE_incompressible ||  in bch2_bkey_ptrs_need_rebalance()
1425 			if (!p.ptr.cached && p.crc.compression_type != compression_type)  in bch2_bkey_ptrs_need_rebalance()
1473 			if (p.crc.compression_type == BCH_COMPRESSION_TYPE_incompressible ||  in __bch2_bkey_sectors_need_rebalance()
1479 			if (!p.ptr.cached && p.crc.compression_type != compression_type)  in __bch2_bkey_sectors_need_rebalance()
1480 				sectors += p.crc.compressed_size;  in __bch2_bkey_sectors_need_rebalance()
1487 				sectors += p.crc.compressed_size;  in __bch2_bkey_sectors_need_rebalance()