fs/bcachefs/super-io.c

44 void bch2_version_to_text(struct printbuf *out, unsigned v)
54 	prt_printf(out, "%u.%u: %s", BCH_VERSION_MAJOR(v), BCH_VERSION_MINOR(v), str);
261 static int validate_sb_layout(struct bch_sb_layout *layout, struct printbuf *out)
270 		prt_printf(out, "Not a bcachefs superblock layout");
275 		prt_printf(out, "Invalid superblock layout type %u",
281 		prt_printf(out, "Invalid superblock layout: no superblocks");
286 		prt_printf(out, "Invalid superblock layout: too many superblocks");
298 			prt_printf(out, "Invalid superblock layout: superblocks overlap\n"
309 static int bch2_sb_compatible(struct bch_sb *sb, struct printbuf *out)
315 		prt_str(out, "Unsupported superblock version ");
316 		bch2_version_to_text(out, version);
317 		prt_str(out, " (min ");
318 		bch2_version_to_text(out, bcachefs_metadata_version_min);
319 		prt_str(out, ", max ");
320 		bch2_version_to_text(out, bcachefs_metadata_version_current);
321 		prt_str(out, ")");
326 		prt_str(out, "Unsupported superblock version_min ");
327 		bch2_version_to_text(out, version_min);
328 		prt_str(out, " (min ");
329 		bch2_version_to_text(out, bcachefs_metadata_version_min);
330 		prt_str(out, ", max ");
331 		bch2_version_to_text(out, bcachefs_metadata_version_current);
332 		prt_str(out, ")");
337 		prt_str(out, "Bad minimum version ");
338 		bch2_version_to_text(out, version_min);
339 		prt_str(out, ", greater than version field ");
340 		bch2_version_to_text(out, version);
348 			    enum bch_validate_flags flags, struct printbuf *out)
356 	ret = bch2_sb_compatible(sb, out);
362 		prt_printf(out, "Filesystem has incompatible features");
369 		prt_printf(out, "Block size too big (got %u, max %u)",
375 		prt_printf(out, "Bad user UUID (got zeroes)");
380 		prt_printf(out, "Bad internal UUID (got zeroes)");
386 		prt_printf(out, "Bad number of member devices %u (max %u)",
392 		prt_printf(out, "Bad dev_idx (got %u, nr_devices %u)",
399 		prt_printf(out, "Invalid time precision: %u (min 1, max %lu)",
425 			prt_printf(out, "Invalid option ");
426 			ret = bch2_opt_validate(opt, v, out);
430 			printbuf_reset(out);
435 	ret = validate_sb_layout(&sb->layout, out);
441 			prt_printf(out, "Invalid superblock: optional field with size 0 (type %u)",
447 			prt_printf(out, "Invalid superblock: optional field extends past end of superblock (type %u)",
456 		prt_printf(out, "Invalid superblock: member info area missing");
460 	ret = bch2_sb_field_validate(sb, &mi->field, flags, out);
468 		ret = bch2_sb_field_validate(sb, f, flags, out);
475 		prt_printf(out, "Invalid superblock: member seq %llu != sb seq %llu",
828 out:
836 	goto out;
943 			goto out;
981 			goto out;
986 		goto out;
990 	 * complete - don't write out a partly initialized superblock:
993 		goto out;
1050 		goto out;
1100 out:
1168 static void bch2_sb_ext_to_text(struct printbuf *out, struct bch_sb *sb,
1173 	prt_printf(out, "Recovery passes required:\t");
1174 	prt_bitflags(out, bch2_recovery_passes,
1176 	prt_newline(out);
1182 		prt_printf(out, "Errors to silently fix:\t");
1183 		prt_bitflags_vector(out, bch2_sb_error_strs, errors_silent, sizeof(e->errors_silent) * 8);
1184 		prt_newline(out);
1189 	prt_printf(out, "Btrees with missing data:\t");
1190 	prt_bitflags(out, __bch2_btree_ids, le64_to_cpu(e->btrees_lost_data));
1191 	prt_newline(out);
1235 void __bch2_sb_field_to_text(struct printbuf *out, struct bch_sb *sb,
1241 	if (!out->nr_tabstops)
1242 		printbuf_tabstop_push(out, 32);
1245 		ops->to_text(out, sb, f);
1248 void bch2_sb_field_to_text(struct printbuf *out, struct bch_sb *sb,
1254 		prt_printf(out, "%s", bch2_sb_fields[type]);
1256 		prt_printf(out, "(unknown field %u)", type);
1258 	prt_printf(out, " (size %zu):", vstruct_bytes(f));
1259 	prt_newline(out);
1261 	__bch2_sb_field_to_text(out, sb, f);
1264 void bch2_sb_layout_to_text(struct printbuf *out, struct bch_sb_layout *l)
1268 	prt_printf(out, "Type:                    %u", l->layout_type);
1269 	prt_newline(out);
1271 	prt_str(out, "Superblock max size:     ");
1272 	prt_units_u64(out, 512 << l->sb_max_size_bits);
1273 	prt_newline(out);
1275 	prt_printf(out, "Nr superblocks:          %u", l->nr_superblocks);
1276 	prt_newline(out);
1278 	prt_str(out, "Offsets:                 ");
1281 			prt_str(out, ", ");
1282 		prt_printf(out, "%llu", le64_to_cpu(l->sb_offset[i]));
1284 	prt_newline(out);
1287 void bch2_sb_to_text(struct printbuf *out, struct bch_sb *sb,
1293 	if (!out->nr_tabstops)
1294 		printbuf_tabstop_push(out, 44);
1299 	prt_printf(out, "External UUID:\t");
1300 	pr_uuid(out, sb->user_uuid.b);
1301 	prt_newline(out);
1303 	prt_printf(out, "Internal UUID:\t");
1304 	pr_uuid(out, sb->uuid.b);
1305 	prt_newline(out);
1307 	prt_printf(out, "Magic number:\t");
1308 	pr_uuid(out, sb->magic.b);
1309 	prt_newline(out);
1311 	prt_printf(out, "Device index:\t%u\n", sb->dev_idx);
1313 	prt_printf(out, "Label:\t");
1314 	prt_printf(out, "%.*s", (int) sizeof(sb->label), sb->label);
1315 	prt_newline(out);
1317 	prt_printf(out, "Version:\t");
1318 	bch2_version_to_text(out, le16_to_cpu(sb->version));
1319 	prt_newline(out);
1321 	prt_printf(out, "Version upgrade complete:\t");
1322 	bch2_version_to_text(out, BCH_SB_VERSION_UPGRADE_COMPLETE(sb));
1323 	prt_newline(out);
1325 	prt_printf(out, "Oldest version on disk:\t");
1326 	bch2_version_to_text(out, le16_to_cpu(sb->version_min));
1327 	prt_newline(out);
1329 	prt_printf(out, "Created:\t");
1331 		bch2_prt_datetime(out, div_u64(le64_to_cpu(sb->time_base_lo), NSEC_PER_SEC));
1333 		prt_printf(out, "(not set)");
1334 	prt_newline(out);
1336 	prt_printf(out, "Sequence number:\t");
1337 	prt_printf(out, "%llu", le64_to_cpu(sb->seq));
1338 	prt_newline(out);
1340 	prt_printf(out, "Time of last write:\t");
1341 	bch2_prt_datetime(out, le64_to_cpu(sb->write_time));
1342 	prt_newline(out);
1344 	prt_printf(out, "Superblock size:\t");
1345 	prt_units_u64(out, vstruct_bytes(sb));
1346 	prt_str(out, "/");
1347 	prt_units_u64(out, 512ULL << sb->layout.sb_max_size_bits);
1348 	prt_newline(out);
1350 	prt_printf(out, "Clean:\t%llu\n", BCH_SB_CLEAN(sb));
1351 	prt_printf(out, "Devices:\t%u\n", nr_devices);
1353 	prt_printf(out, "Sections:\t");
1356 	prt_bitflags(out, bch2_sb_fields, fields_have);
1357 	prt_newline(out);
1359 	prt_printf(out, "Features:\t");
1360 	prt_bitflags(out, bch2_sb_features, le64_to_cpu(sb->features[0]));
1361 	prt_newline(out);
1363 	prt_printf(out, "Compat features:\t");
1364 	prt_bitflags(out, bch2_sb_compat, le64_to_cpu(sb->compat[0]));
1365 	prt_newline(out);
1367 	prt_newline(out);
1368 	prt_printf(out, "Options:");
1369 	prt_newline(out);
1370 	printbuf_indent_add(out, 2);
1380 				prt_printf(out, "%s:\t", opt->attr.name);
1381 				bch2_opt_to_text(out, NULL, sb, opt, v,
1383 				prt_newline(out);
1388 	printbuf_indent_sub(out, 2);
1391 		prt_newline(out);
1392 		prt_printf(out, "layout:");
1393 		prt_newline(out);
1394 		printbuf_indent_add(out, 2);
1395 		bch2_sb_layout_to_text(out, &sb->layout);
1396 		printbuf_indent_sub(out, 2);
1401 			prt_newline(out);
1402 			bch2_sb_field_to_text(out, sb, f);