1 // SPDX-License-Identifier: GPL-2.0
38 #include "super-io.h"
60 	struct printbuf out = PRINTBUF;					\
61 	ssize_t ret = fn ## _to_text(&out, kobj, attr);			\
63 	if (out.pos && out.buf[out.pos - 1] != '\n')			\
64 		prt_newline(&out);					\
66 	if (!ret && out.allocation_failure)				\
67 		ret = -ENOMEM;						\
70 		ret = min_t(size_t, out.pos, PAGE_SIZE - 1);		\
71 		memcpy(buf, out.buf, ret);				\
73 	printbuf_exit(&out);						\
77 static ssize_t fn ## _to_text(struct printbuf *out, struct kobject *kobj,\
104 		prt_printf(out, fmt "\n", __VA_ARGS__);			\
110 		snprint(out, var);					\
116 		prt_human_readable_s64(out, val);			\
192 static void bch2_write_refs_to_text(struct printbuf *out, struct bch_fs *c)  in bch2_write_refs_to_text()  argument
194 	bch2_printbuf_tabstop_push(out, 24);  in bch2_write_refs_to_text()
196 	for (unsigned i = 0; i < ARRAY_SIZE(c->writes); i++)  in bch2_write_refs_to_text()
197 		prt_printf(out, "%s\t%li\n", bch2_write_refs[i], atomic_long_read(&c->writes[i]));  in bch2_write_refs_to_text()
247 	struct btree_cache *bc = &c->btree_cache;  in bch2_btree_cache_size()
251 	mutex_lock(&bc->lock);  in bch2_btree_cache_size()
252 	list_for_each_entry(b, &bc->live[0].list, list)  in bch2_btree_cache_size()
254 	list_for_each_entry(b, &bc->live[1].list, list)  in bch2_btree_cache_size()
256 	list_for_each_entry(b, &bc->freeable, list)  in bch2_btree_cache_size()
258 	mutex_unlock(&bc->lock);  in bch2_btree_cache_size()
262 static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c)  in bch2_compression_stats_to_text()  argument
264 	prt_str(out, "type");  in bch2_compression_stats_to_text()
265 	printbuf_tabstop_push(out, 12);  in bch2_compression_stats_to_text()
266 	printbuf_tabstop_push(out, 16);  in bch2_compression_stats_to_text()
267 	printbuf_tabstop_push(out, 16);  in bch2_compression_stats_to_text()
268 	printbuf_tabstop_push(out, 24);  in bch2_compression_stats_to_text()
269 	prt_printf(out, "type\tcompressed\runcompressed\raverage extent size\r\n");  in bch2_compression_stats_to_text()
284 		bch2_prt_compression_type(out, i);  in bch2_compression_stats_to_text()
285 		prt_tab(out);  in bch2_compression_stats_to_text()
287 		prt_human_readable_u64(out, sectors_compressed << 9);  in bch2_compression_stats_to_text()
288 		prt_tab_rjust(out);  in bch2_compression_stats_to_text()
290 		prt_human_readable_u64(out, sectors_uncompressed << 9);  in bch2_compression_stats_to_text()
291 		prt_tab_rjust(out);  in bch2_compression_stats_to_text()
293 		prt_human_readable_u64(out, nr_extents  in bch2_compression_stats_to_text()
296 		prt_tab_rjust(out);  in bch2_compression_stats_to_text()
297 		prt_newline(out);  in bch2_compression_stats_to_text()
303 static void bch2_gc_gens_pos_to_text(struct printbuf *out, struct bch_fs *c)  in bch2_gc_gens_pos_to_text()  argument
305 	prt_printf(out, "%s: ", bch2_btree_id_str(c->gc_gens_btree));  in bch2_gc_gens_pos_to_text()
306 	bch2_bpos_to_text(out, c->gc_gens_pos);  in bch2_gc_gens_pos_to_text()
307 	prt_printf(out, "\n");  in bch2_gc_gens_pos_to_text()
310 static void bch2_fs_usage_base_to_text(struct printbuf *out, struct bch_fs *c)  in bch2_fs_usage_base_to_text()  argument
314 	acc_u64s_percpu(&b.hidden, &c->usage->hidden, sizeof(b) / sizeof(u64));  in bch2_fs_usage_base_to_text()
316 	prt_printf(out, "hidden:\t\t%llu\n",	b.hidden);  in bch2_fs_usage_base_to_text()
317 	prt_printf(out, "btree:\t\t%llu\n",	b.btree);  in bch2_fs_usage_base_to_text()
318 	prt_printf(out, "data:\t\t%llu\n",	b.data);  in bch2_fs_usage_base_to_text()
319 	prt_printf(out, "cached:\t%llu\n",	b.cached);  in bch2_fs_usage_base_to_text()
320 	prt_printf(out, "reserved:\t\t%llu\n",	b.reserved);  in bch2_fs_usage_base_to_text()
321 	prt_printf(out, "nr_inodes:\t%llu\n",	b.nr_inodes);  in bch2_fs_usage_base_to_text()
328 	sysfs_print(minor,			c->minor);  in SHOW()
329 	sysfs_printf(internal_uuid, "%pU",	c->sb.uuid.b);  in SHOW()
332 		prt_bitflags(out, bch2_fs_flag_strs, c->flags);  in SHOW()
337 		bch2_btree_write_stats_to_text(out, c);  in SHOW()
340 		bch2_gc_gens_pos_to_text(out, c);  in SHOW()
342 	sysfs_printf(copy_gc_enabled, "%i", c->copy_gc_enabled);  in SHOW()
344 	sysfs_printf(rebalance_enabled,		"%i", c->rebalance.enabled);  in SHOW()
345 	sysfs_pd_controller_show(rebalance,	&c->rebalance.pd); /* XXX */  in SHOW()
348 		bch2_copygc_wait_to_text(out, c);  in SHOW()
351 		bch2_rebalance_status_to_text(out, c);  in SHOW()
356 		bch2_journal_debug_to_text(out, &c->journal);  in SHOW()
359 		bch2_btree_cache_to_text(out, &c->btree_cache);  in SHOW()
362 		bch2_btree_key_cache_to_text(out, &c->btree_key_cache);  in SHOW()
365 		bch2_btree_reserve_cache_to_text(out, c);  in SHOW()
368 		bch2_stripes_heap_to_text(out, c);  in SHOW()
371 		bch2_open_buckets_to_text(out, c, NULL);  in SHOW()
374 		bch2_open_buckets_partial_to_text(out, c);  in SHOW()
377 		bch2_write_points_to_text(out, c);  in SHOW()
380 		bch2_compression_stats_to_text(out, c);  in SHOW()
383 		bch2_new_stripes_to_text(out, c);  in SHOW()
386 		bch2_io_timers_to_text(out, &c->io_clock[READ]);  in SHOW()
389 		bch2_io_timers_to_text(out, &c->io_clock[WRITE]);  in SHOW()
392 		bch2_fs_moving_ctxts_to_text(out, c);  in SHOW()
396 		bch2_write_refs_to_text(out, c);  in SHOW()
400 		bch2_nocow_locks_to_text(out, &c->nocow_locks);  in SHOW()
403 		bch2_disk_groups_to_text(out, c);  in SHOW()
406 		bch2_fs_alloc_debug_to_text(out, c);  in SHOW()
409 		bch2_fs_accounting_to_text(out, c);  in SHOW()
412 		bch2_fs_usage_base_to_text(out, c);  in SHOW()
422 		ssize_t ret = strtoul_safe(buf, c->copy_gc_enabled)  in STORE()
425 		if (c->copygc_thread)  in STORE()
426 			wake_up_process(c->copygc_thread);  in STORE()
431 		ssize_t ret = strtoul_safe(buf, c->rebalance.enabled)  in STORE()
438 	sysfs_pd_controller_store(rebalance,	&c->rebalance.pd);  in STORE()
442 	if (!test_bit(BCH_FS_started, &c->flags))  in STORE()
443 		return -EPERM;  in STORE()
448 		return -EROFS;  in STORE()
451 		struct btree_cache *bc = &c->btree_cache;  in STORE()
456 		bc->live[0].shrink->scan_objects(bc->live[0].shrink, &sc);  in STORE()
464 		c->btree_key_cache.shrink->scan_objects(c->btree_key_cache.shrink, &sc);  in STORE()
477 		bch2_journal_flush_all_pins(&c->journal);  in STORE()
478 		bch2_journal_meta(&c->journal);  in STORE()
482 		bch2_journal_do_writes(&c->journal);  in STORE()
485 		closure_wake_up(&c->freelist_wait);  in STORE()
495 		int ret = -EINVAL;  in STORE()
535 	printbuf_tabstop_push(out, 32);  in SHOW()
539 			counter             = percpu_u64_get(&c->counters[BCH_COUNTER_##t]);\  in SHOW()
540 			counter_since_mount = counter - c->counters_on_mount[BCH_COUNTER_##t];\  in SHOW()
541 			prt_printf(out, "since mount:\t");			\  in SHOW()
542 			prt_human_readable_u64(out, counter_since_mount);	\  in SHOW()
543 			prt_newline(out);					\  in SHOW()
545 			prt_printf(out, "since filesystem creation:\t");	\  in SHOW()
546 			prt_human_readable_u64(out, counter);			\  in SHOW()
547 			prt_newline(out);					\  in SHOW()
567 /* internal dir - just a wrapper */
573 	return bch2_fs_to_text(out, &c->kobj, attr);  in SHOW()
580 	return bch2_fs_store(&c->kobj, attr, buf, size);  in STORE()
636 	int id = opt - bch2_opt_table;  in SHOW()
637 	u64 v = bch2_opt_get_by_id(&c->opts, id);  in SHOW()
639 	bch2_opt_to_text(out, c, c->disk_sb.sb, opt, v, OPT_SHOW_FULL_LIST);  in SHOW()
640 	prt_char(out, '\n');  in SHOW()
649 	int ret, id = opt - bch2_opt_table;  in STORE()
654 	 * We don't need to take c->writes for correctness, but it eliminates an  in STORE()
658 		return -EROFS;  in STORE()
662 		ret = -ENOMEM;  in STORE()
677 	bch2_opt_set_by_id(&c->opts, id, v);  in STORE()
682 	     (id == Opt_compression && !c->opts.background_compression)))  in STORE()
702 		if (!(i->flags & OPT_FS))  in bch2_opts_create_sysfs_files()
705 		ret = sysfs_create_file(kobj, &i->attr);  in bch2_opts_create_sysfs_files()
721 		bch2_time_stats_to_text(out, &c->times[BCH_TIME_##name]);  in SHOW()
734 		bch2_time_stats_reset(&c->times[BCH_TIME_##name]);  in STORE()
755 static void dev_io_done_to_text(struct printbuf *out, struct bch_dev *ca)  in dev_io_done_to_text()  argument
760 		prt_printf(out, "%s:\n", bch2_rw[rw]);  in dev_io_done_to_text()
763 			prt_printf(out, "%-12s:%12llu\n",  in dev_io_done_to_text()
765 			       percpu_u64_get(&ca->io_done->sectors[rw][i]) << 9);  in dev_io_done_to_text()
772 	struct bch_fs *c = ca->fs;  in SHOW()
774 	sysfs_printf(uuid,		"%pU\n", ca->uuid.b);  in SHOW()
777 	sysfs_print(first_bucket,	ca->mi.first_bucket);  in SHOW()
778 	sysfs_print(nbuckets,		ca->mi.nbuckets);  in SHOW()
779 	sysfs_print(durability,		ca->mi.durability);  in SHOW()
780 	sysfs_print(discard,		ca->mi.discard);  in SHOW()
783 		if (ca->mi.group)  in SHOW()
784 			bch2_disk_path_to_text(out, c, ca->mi.group - 1);  in SHOW()
785 		prt_char(out, '\n');  in SHOW()
789 		prt_bitflags(out, __bch2_data_types, bch2_dev_has_data(c, ca));  in SHOW()
790 		prt_char(out, '\n');  in SHOW()
794 		prt_string_option(out, bch2_member_states, ca->mi.state);  in SHOW()
795 		prt_char(out, '\n');  in SHOW()
799 		dev_io_done_to_text(out, ca);  in SHOW()
802 		bch2_dev_io_errors_to_text(out, ca);  in SHOW()
804 	sysfs_print(io_latency_read,		atomic64_read(&ca->cur_latency[READ]));  in SHOW()
805 	sysfs_print(io_latency_write,		atomic64_read(&ca->cur_latency[WRITE]));  in SHOW()
808 		bch2_time_stats_to_text(out, &ca->io_latency[READ].stats);  in SHOW()
811 		bch2_time_stats_to_text(out, &ca->io_latency[WRITE].stats);  in SHOW()
814 		     clamp(atomic_read(&ca->congested), 0, CONGESTED_MAX)  in SHOW()
818 		bch2_dev_alloc_debug_to_text(out, ca);  in SHOW()
821 		bch2_open_buckets_to_text(out, c, ca);  in SHOW()
829 	struct bch_fs *c = ca->fs;  in STORE()
849 			return -ENOMEM;  in STORE()