+// SPDX-License-Identifier: GPL-2.0
/*
* bcache sysfs interfaces
*
#include "bcachefs.h"
#include "alloc_background.h"
-#include "compress.h"
#include "sysfs.h"
#include "btree_cache.h"
#include "btree_io.h"
#include "btree_iter.h"
+#include "btree_key_cache.h"
#include "btree_update.h"
#include "btree_update_interior.h"
#include "btree_gc.h"
#include "buckets.h"
+#include "clock.h"
#include "disk_groups.h"
+#include "ec.h"
#include "inode.h"
#include "journal.h"
#include "keylist.h"
#define sysfs_hprint(file, val) \
do { \
if (attr == &sysfs_ ## file) { \
- ssize_t ret = bch2_hprint(buf, val); \
- strcat(buf, "\n"); \
- return ret + 1; \
+ bch2_hprint(&out, val); \
+ pr_buf(&out, "\n"); \
+ return out.pos - buf; \
} \
} while (0)
read_attribute(journal_pins);
read_attribute(btree_updates);
read_attribute(dirty_btree_nodes);
+read_attribute(btree_cache);
+read_attribute(btree_key_cache);
+read_attribute(btree_transactions);
+read_attribute(stripes_heap);
read_attribute(internal_uuid);
read_attribute(rebalance_work);
rw_attribute(promote_whole_extents);
+read_attribute(new_stripes);
+
rw_attribute(pd_controllers_update_seconds);
read_attribute(meta_replicas_have);
read_attribute(data_replicas_have);
+read_attribute(io_timers_read);
+read_attribute(io_timers_write);
+
#ifdef CONFIG_BCACHEFS_TESTS
write_attribute(perf_test);
#endif /* CONFIG_BCACHEFS_TESTS */
-#define BCH_DEBUG_PARAM(name, description) \
- rw_attribute(name);
-
- BCH_DEBUG_PARAMS()
-#undef BCH_DEBUG_PARAM
-
#define x(_name) \
static struct attribute sysfs_time_stat_##_name = \
{ .name = #_name, .mode = S_IRUGO };
return ret;
}
-static ssize_t show_fs_alloc_debug(struct bch_fs *c, char *buf)
+static int fs_alloc_debug_to_text(struct printbuf *out, struct bch_fs *c)
{
- struct printbuf out = _PBUF(buf, PAGE_SIZE);
- struct bch_fs_usage stats = bch2_fs_usage_read(c);
- unsigned replicas, type;
-
- pr_buf(&out, "capacity:\t\t%llu\n", c->capacity);
-
- for (replicas = 0; replicas < ARRAY_SIZE(stats.replicas); replicas++) {
- pr_buf(&out, "%u replicas:\n", replicas + 1);
+ struct bch_fs_usage *fs_usage = bch2_fs_usage_read(c);
- for (type = BCH_DATA_SB; type < BCH_DATA_NR; type++)
- pr_buf(&out, "\t%s:\t\t%llu\n",
- bch2_data_types[type],
- stats.replicas[replicas].data[type]);
- pr_buf(&out, "\treserved:\t%llu\n",
- stats.replicas[replicas].persistent_reserved);
- }
-
- pr_buf(&out, "bucket usage\n");
+ if (!fs_usage)
+ return -ENOMEM;
- for (type = BCH_DATA_SB; type < BCH_DATA_NR; type++)
- pr_buf(&out, "\t%s:\t\t%llu\n",
- bch2_data_types[type],
- stats.buckets[type]);
+ bch2_fs_usage_to_text(out, c, fs_usage);
- pr_buf(&out, "online reserved:\t%llu\n",
- stats.online_reserved);
+ percpu_up_read(&c->mark_lock);
- return out.pos - buf;
+ kfree(fs_usage);
+ return 0;
}
-static ssize_t bch2_compression_stats(struct bch_fs *c, char *buf)
+static int bch2_compression_stats_to_text(struct printbuf *out, struct bch_fs *c)
{
- struct btree_iter iter;
+ struct btree_trans trans;
+ struct btree_iter *iter;
struct bkey_s_c k;
u64 nr_uncompressed_extents = 0, uncompressed_sectors = 0,
nr_compressed_extents = 0,
compressed_sectors_compressed = 0,
compressed_sectors_uncompressed = 0;
+ int ret;
- if (!bch2_fs_running(c))
+ if (!test_bit(BCH_FS_STARTED, &c->flags))
return -EPERM;
- for_each_btree_key(&iter, c, BTREE_ID_EXTENTS, POS_MIN, 0, k)
- if (k.k->type == BCH_EXTENT) {
+ bch2_trans_init(&trans, c, 0, 0);
+
+ for_each_btree_key(&trans, iter, BTREE_ID_EXTENTS, POS_MIN, 0, k, ret)
+ if (k.k->type == KEY_TYPE_extent) {
struct bkey_s_c_extent e = bkey_s_c_to_extent(k);
const union bch_extent_entry *entry;
struct extent_ptr_decoded p;
extent_for_each_ptr_decode(e, p, entry) {
- if (p.crc.compression_type == BCH_COMPRESSION_NONE) {
+ if (!crc_is_compressed(p.crc)) {
nr_uncompressed_extents++;
uncompressed_sectors += e.k->size;
} else {
break;
}
}
- bch2_btree_iter_unlock(&iter);
-
- return scnprintf(buf, PAGE_SIZE,
- "uncompressed data:\n"
- " nr extents: %llu\n"
- " size (bytes): %llu\n"
- "compressed data:\n"
- " nr extents: %llu\n"
- " compressed size (bytes): %llu\n"
- " uncompressed size (bytes): %llu\n",
- nr_uncompressed_extents,
- uncompressed_sectors << 9,
- nr_compressed_extents,
- compressed_sectors_compressed << 9,
- compressed_sectors_uncompressed << 9);
+
+ ret = bch2_trans_exit(&trans) ?: ret;
+ if (ret)
+ return ret;
+
+ pr_buf(out,
+ "uncompressed data:\n"
+ " nr extents: %llu\n"
+ " size (bytes): %llu\n"
+ "compressed data:\n"
+ " nr extents: %llu\n"
+ " compressed size (bytes): %llu\n"
+ " uncompressed size (bytes): %llu\n",
+ nr_uncompressed_extents,
+ uncompressed_sectors << 9,
+ nr_compressed_extents,
+ compressed_sectors_compressed << 9,
+ compressed_sectors_uncompressed << 9);
+ return 0;
}
SHOW(bch2_fs)
{
struct bch_fs *c = container_of(kobj, struct bch_fs, kobj);
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
sysfs_print(minor, c->minor);
sysfs_printf(internal_uuid, "%pU", c->sb.uuid.b);
sysfs_printf(rebalance_enabled, "%i", c->rebalance.enabled);
sysfs_pd_controller_show(rebalance, &c->rebalance.pd); /* XXX */
+ sysfs_pd_controller_show(copy_gc, &c->copygc_pd);
- if (attr == &sysfs_rebalance_work)
- return bch2_rebalance_work_show(c, buf);
+ if (attr == &sysfs_rebalance_work) {
+ bch2_rebalance_work_to_text(&out, c);
+ return out.pos - buf;
+ }
sysfs_print(promote_whole_extents, c->promote_whole_extents);
- sysfs_printf(meta_replicas_have, "%u", bch2_replicas_online(c, true));
- sysfs_printf(data_replicas_have, "%u", bch2_replicas_online(c, false));
+ sysfs_printf(meta_replicas_have, "%i", bch2_replicas_online(c, true));
+ sysfs_printf(data_replicas_have, "%i", bch2_replicas_online(c, false));
/* Debugging: */
if (attr == &sysfs_alloc_debug)
- return show_fs_alloc_debug(c, buf);
+ return fs_alloc_debug_to_text(&out, c) ?: out.pos - buf;
- if (attr == &sysfs_journal_debug)
- return bch2_journal_print_debug(&c->journal, buf);
+ if (attr == &sysfs_journal_debug) {
+ bch2_journal_debug_to_text(&out, &c->journal);
+ return out.pos - buf;
+ }
- if (attr == &sysfs_journal_pins)
- return bch2_journal_print_pins(&c->journal, buf);
+ if (attr == &sysfs_journal_pins) {
+ bch2_journal_pins_to_text(&out, &c->journal);
+ return out.pos - buf;
+ }
- if (attr == &sysfs_btree_updates)
- return bch2_btree_updates_print(c, buf);
+ if (attr == &sysfs_btree_updates) {
+ bch2_btree_updates_to_text(&out, c);
+ return out.pos - buf;
+ }
- if (attr == &sysfs_dirty_btree_nodes)
- return bch2_dirty_btree_nodes_print(c, buf);
+ if (attr == &sysfs_dirty_btree_nodes) {
+ bch2_dirty_btree_nodes_to_text(&out, c);
+ return out.pos - buf;
+ }
+
+ if (attr == &sysfs_btree_cache) {
+ bch2_btree_cache_to_text(&out, c);
+ return out.pos - buf;
+ }
+
+ if (attr == &sysfs_btree_key_cache) {
+ bch2_btree_key_cache_to_text(&out, &c->btree_key_cache);
+ return out.pos - buf;
+ }
+
+ if (attr == &sysfs_btree_transactions) {
+ bch2_btree_trans_to_text(&out, c);
+ return out.pos - buf;
+ }
+
+ if (attr == &sysfs_stripes_heap) {
+ bch2_stripes_heap_to_text(&out, c);
+ return out.pos - buf;
+ }
- if (attr == &sysfs_compression_stats)
- return bch2_compression_stats(c, buf);
+ if (attr == &sysfs_compression_stats) {
+ bch2_compression_stats_to_text(&out, c);
+ return out.pos - buf;
+ }
-#define BCH_DEBUG_PARAM(name, description) sysfs_print(name, c->name);
- BCH_DEBUG_PARAMS()
-#undef BCH_DEBUG_PARAM
+ if (attr == &sysfs_new_stripes) {
+ bch2_new_stripes_to_text(&out, c);
+ return out.pos - buf;
+ }
+
+ if (attr == &sysfs_io_timers_read) {
+ bch2_io_timers_to_text(&out, &c->io_clock[READ]);
+ return out.pos - buf;
+ }
+ if (attr == &sysfs_io_timers_write) {
+ bch2_io_timers_to_text(&out, &c->io_clock[WRITE]);
+ return out.pos - buf;
+ }
return 0;
}
-STORE(__bch2_fs)
+STORE(bch2_fs)
{
struct bch_fs *c = container_of(kobj, struct bch_fs, kobj);
}
if (attr == &sysfs_copy_gc_enabled) {
- struct bch_dev *ca;
- unsigned i;
ssize_t ret = strtoul_safe(buf, c->copy_gc_enabled)
?: (ssize_t) size;
- for_each_member_device(ca, c, i)
- if (ca->copygc_thread)
- wake_up_process(ca->copygc_thread);
+ if (c->copygc_thread)
+ wake_up_process(c->copygc_thread);
return ret;
}
sysfs_strtoul(pd_controllers_update_seconds,
c->pd_controllers_update_seconds);
sysfs_pd_controller_store(rebalance, &c->rebalance.pd);
+ sysfs_pd_controller_store(copy_gc, &c->copygc_pd);
sysfs_strtoul(promote_whole_extents, c->promote_whole_extents);
/* Debugging: */
-#define BCH_DEBUG_PARAM(name, description) sysfs_strtoul(name, c->name);
- BCH_DEBUG_PARAMS()
-#undef BCH_DEBUG_PARAM
-
- if (!bch2_fs_running(c))
+ if (!test_bit(BCH_FS_STARTED, &c->flags))
return -EPERM;
/* Debugging: */
if (attr == &sysfs_trigger_journal_flush)
- bch2_journal_meta_async(&c->journal, NULL);
+ bch2_journal_meta(&c->journal);
if (attr == &sysfs_trigger_btree_coalesce)
bch2_coalesce(c);
- if (attr == &sysfs_trigger_gc)
- bch2_gc(c);
+ if (attr == &sysfs_trigger_gc) {
+ /*
+ * Full gc is currently incompatible with btree key cache:
+ */
+#if 0
+ down_read(&c->state_lock);
+ bch2_gc(c, NULL, false, false);
+ up_read(&c->state_lock);
+#else
+ bch2_gc_gens(c);
+#endif
+ }
if (attr == &sysfs_prune_cache) {
struct shrink_control sc;
sc.nr_to_scan = strtoul_or_return(buf);
c->btree_cache.shrink.scan_objects(&c->btree_cache.shrink, &sc);
}
+
#ifdef CONFIG_BCACHEFS_TESTS
if (attr == &sysfs_perf_test) {
char *tmp = kstrdup(buf, GFP_KERNEL), *p = tmp;
if (threads_str &&
!(ret = kstrtouint(threads_str, 10, &threads)) &&
!(ret = bch2_strtoull_h(nr_str, &nr)))
- bch2_btree_perf_test(c, test, nr, threads);
- else
- size = ret;
+ ret = bch2_btree_perf_test(c, test, nr, threads);
kfree(tmp);
+
+ if (ret)
+ size = ret;
}
#endif
return size;
}
-
-STORE(bch2_fs)
-{
- struct bch_fs *c = container_of(kobj, struct bch_fs, kobj);
-
- mutex_lock(&c->state_lock);
- size = __bch2_fs_store(kobj, attr, buf, size);
- mutex_unlock(&c->state_lock);
-
- return size;
-}
SYSFS_OPS(bch2_fs);
struct attribute *bch2_fs_files[] = {
&sysfs_journal_pins,
&sysfs_btree_updates,
&sysfs_dirty_btree_nodes,
+ &sysfs_btree_cache,
+ &sysfs_btree_key_cache,
+ &sysfs_btree_transactions,
+ &sysfs_stripes_heap,
&sysfs_read_realloc_races,
&sysfs_extent_migrate_done,
&sysfs_rebalance_enabled,
&sysfs_rebalance_work,
sysfs_pd_controller_files(rebalance),
+ sysfs_pd_controller_files(copy_gc),
- &sysfs_internal_uuid,
+ &sysfs_new_stripes,
-#define BCH_DEBUG_PARAM(name, description) &sysfs_##name,
- BCH_DEBUG_PARAMS()
-#undef BCH_DEBUG_PARAM
+ &sysfs_io_timers_read,
+ &sysfs_io_timers_write,
+ &sysfs_internal_uuid,
NULL
};
if (ret < 0)
return ret;
- if (id == Opt_compression ||
- id == Opt_background_compression) {
- int ret = bch2_check_set_has_compressed_data(c, v);
- if (ret) {
- mutex_unlock(&c->sb_lock);
- return ret;
- }
- }
+ ret = bch2_opt_check_may_set(c, id, v);
+ if (ret < 0)
+ return ret;
if (opt->set_sb != SET_NO_SB_OPT) {
mutex_lock(&c->sb_lock);
for (i = bch2_opt_table;
i < bch2_opt_table + bch2_opts_nr;
i++) {
- if (i->mode == OPT_INTERNAL)
+ if (!(i->mode & (OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME)))
continue;
ret = sysfs_create_file(kobj, &i->attr);
SHOW(bch2_fs_time_stats)
{
struct bch_fs *c = container_of(kobj, struct bch_fs, time_stats);
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
-#define x(name) \
- if (attr == &sysfs_time_stat_##name) \
- return bch2_time_stats_print(&c->times[BCH_TIME_##name],\
- buf, PAGE_SIZE);
+#define x(name) \
+ if (attr == &sysfs_time_stat_##name) { \
+ bch2_time_stats_to_text(&out, &c->times[BCH_TIME_##name]);\
+ return out.pos - buf; \
+ }
BCH_TIME_STATS()
#undef x
static int unsigned_cmp(const void *_l, const void *_r)
{
- unsigned l = *((unsigned *) _l);
- unsigned r = *((unsigned *) _r);
+ const unsigned *l = _l;
+ const unsigned *r = _r;
- return (l > r) - (l < r);
+ return cmp_int(*l, *r);
}
-static ssize_t show_quantiles(struct bch_fs *c, struct bch_dev *ca,
- char *buf, bucket_map_fn *fn, void *private)
+static int quantiles_to_text(struct printbuf *out,
+ struct bch_fs *c, struct bch_dev *ca,
+ bucket_map_fn *fn, void *private)
{
size_t i, n;
/* Compute 31 quantiles */
unsigned q[31], *p;
- ssize_t ret = 0;
down_read(&ca->bucket_lock);
n = ca->mi.nbuckets;
vfree(p);
for (i = 0; i < ARRAY_SIZE(q); i++)
- ret += scnprintf(buf + ret, PAGE_SIZE - ret,
- "%u ", q[i]);
- buf[ret - 1] = '\n';
-
- return ret;
+ pr_buf(out, "%u ", q[i]);
+ pr_buf(out, "\n");
+ return 0;
}
-static ssize_t show_reserve_stats(struct bch_dev *ca, char *buf)
+static void reserve_stats_to_text(struct printbuf *out, struct bch_dev *ca)
{
- struct printbuf out = _PBUF(buf, PAGE_SIZE);
enum alloc_reserve i;
- spin_lock(&ca->freelist_lock);
+ spin_lock(&ca->fs->freelist_lock);
- pr_buf(&out, "free_inc:\t%zu\t%zu\n",
+ pr_buf(out, "free_inc:\t%zu\t%zu\n",
fifo_used(&ca->free_inc),
ca->free_inc.size);
for (i = 0; i < RESERVE_NR; i++)
- pr_buf(&out, "free[%u]:\t%zu\t%zu\n", i,
+ pr_buf(out, "free[%u]:\t%zu\t%zu\n", i,
fifo_used(&ca->free[i]),
ca->free[i].size);
- spin_unlock(&ca->freelist_lock);
-
- return out.pos - buf;
+ spin_unlock(&ca->fs->freelist_lock);
}
-static ssize_t show_dev_alloc_debug(struct bch_dev *ca, char *buf)
+static void dev_alloc_debug_to_text(struct printbuf *out, struct bch_dev *ca)
{
struct bch_fs *c = ca->fs;
- struct bch_dev_usage stats = bch2_dev_usage_read(c, ca);
-
- return scnprintf(buf, PAGE_SIZE,
- "free_inc: %zu/%zu\n"
- "free[RESERVE_BTREE]: %zu/%zu\n"
- "free[RESERVE_MOVINGGC]: %zu/%zu\n"
- "free[RESERVE_NONE]: %zu/%zu\n"
- "buckets:\n"
- " capacity: %llu\n"
- " alloc: %llu\n"
- " sb: %llu\n"
- " journal: %llu\n"
- " meta: %llu\n"
- " user: %llu\n"
- " cached: %llu\n"
- " available: %lli\n"
- "sectors:\n"
- " sb: %llu\n"
- " journal: %llu\n"
- " meta: %llu\n"
- " user: %llu\n"
- " cached: %llu\n"
- " fragmented: %llu\n"
- " copygc threshold: %llu\n"
- "freelist_wait: %s\n"
- "open buckets: %u/%u (reserved %u)\n"
- "open_buckets_wait: %s\n",
- fifo_used(&ca->free_inc), ca->free_inc.size,
- fifo_used(&ca->free[RESERVE_BTREE]), ca->free[RESERVE_BTREE].size,
- fifo_used(&ca->free[RESERVE_MOVINGGC]), ca->free[RESERVE_MOVINGGC].size,
- fifo_used(&ca->free[RESERVE_NONE]), ca->free[RESERVE_NONE].size,
- ca->mi.nbuckets - ca->mi.first_bucket,
- stats.buckets_alloc,
- stats.buckets[BCH_DATA_SB],
- stats.buckets[BCH_DATA_JOURNAL],
- stats.buckets[BCH_DATA_BTREE],
- stats.buckets[BCH_DATA_USER],
- stats.buckets[BCH_DATA_CACHED],
- ca->mi.nbuckets - ca->mi.first_bucket - stats.buckets_unavailable,
- stats.sectors[BCH_DATA_SB],
- stats.sectors[BCH_DATA_JOURNAL],
- stats.sectors[BCH_DATA_BTREE],
- stats.sectors[BCH_DATA_USER],
- stats.sectors[BCH_DATA_CACHED],
- stats.sectors_fragmented,
- ca->copygc_threshold,
- c->freelist_wait.list.first ? "waiting" : "empty",
- c->open_buckets_nr_free, OPEN_BUCKETS_COUNT, BTREE_NODE_RESERVE,
- c->open_buckets_wait.list.first ? "waiting" : "empty");
+ struct bch_dev_usage stats = bch2_dev_usage_read(ca);
+ unsigned i, nr[BCH_DATA_NR];
+
+ memset(nr, 0, sizeof(nr));
+
+ for (i = 0; i < ARRAY_SIZE(c->open_buckets); i++)
+ nr[c->open_buckets[i].type]++;
+
+ pr_buf(out,
+ "\t\t buckets\t sectors fragmented\n"
+ "capacity%16llu\n",
+ ca->mi.nbuckets - ca->mi.first_bucket);
+
+ for (i = 1; i < BCH_DATA_NR; i++)
+ pr_buf(out, "%-8s%16llu%16llu%16llu\n",
+ bch2_data_types[i], stats.d[i].buckets,
+ stats.d[i].sectors, stats.d[i].fragmented);
+
+ pr_buf(out,
+ "ec\t%16llu\n"
+ "available%15llu\n"
+ "alloc\t%16llu\n"
+ "\n"
+ "free_inc\t\t%zu/%zu\n"
+ "free[RESERVE_MOVINGGC]\t%zu/%zu\n"
+ "free[RESERVE_NONE]\t%zu/%zu\n"
+ "freelist_wait\t\t%s\n"
+ "open buckets\t\t%u/%u (reserved %u)\n"
+ "open_buckets_wait\t%s\n"
+ "open_buckets_btree\t%u\n"
+ "open_buckets_user\t%u\n"
+ "btree reserve cache\t%u\n",
+ stats.buckets_ec,
+ __dev_buckets_available(ca, stats),
+ stats.buckets_alloc,
+ fifo_used(&ca->free_inc), ca->free_inc.size,
+ fifo_used(&ca->free[RESERVE_MOVINGGC]), ca->free[RESERVE_MOVINGGC].size,
+ fifo_used(&ca->free[RESERVE_NONE]), ca->free[RESERVE_NONE].size,
+ c->freelist_wait.list.first ? "waiting" : "empty",
+ c->open_buckets_nr_free, OPEN_BUCKETS_COUNT,
+ BTREE_NODE_OPEN_BUCKET_RESERVE,
+ c->open_buckets_wait.list.first ? "waiting" : "empty",
+ nr[BCH_DATA_btree],
+ nr[BCH_DATA_user],
+ c->btree_reserve_cache_nr);
}
static const char * const bch2_rw[] = {
NULL
};
-static ssize_t show_dev_iodone(struct bch_dev *ca, char *buf)
+static void dev_iodone_to_text(struct printbuf *out, struct bch_dev *ca)
{
- struct printbuf out = _PBUF(buf, PAGE_SIZE);
- int rw, i, cpu;
+ int rw, i;
for (rw = 0; rw < 2; rw++) {
- pr_buf(&out, "%s:\n", bch2_rw[rw]);
-
- for (i = 1; i < BCH_DATA_NR; i++) {
- u64 n = 0;
+ pr_buf(out, "%s:\n", bch2_rw[rw]);
- for_each_possible_cpu(cpu)
- n += per_cpu_ptr(ca->io_done, cpu)->sectors[rw][i];
-
- pr_buf(&out, "%-12s:%12llu\n",
- bch2_data_types[i], n << 9);
- }
+ for (i = 1; i < BCH_DATA_NR; i++)
+ pr_buf(out, "%-12s:%12llu\n",
+ bch2_data_types[i],
+ percpu_u64_get(&ca->io_done->sectors[rw][i]) << 9);
}
-
- return out.pos - buf;
}
SHOW(bch2_dev)
bch2_disk_path_to_text(&out, &c->disk_sb,
ca->mi.group - 1);
mutex_unlock(&c->sb_lock);
- } else {
- pr_buf(&out, "none");
}
pr_buf(&out, "\n");
return out.pos - buf;
}
- sysfs_pd_controller_show(copy_gc, &ca->copygc_pd);
-
if (attr == &sysfs_cache_replacement_policy) {
bch2_string_opt_to_text(&out,
bch2_cache_replacement_policies,
return out.pos - buf;
}
- if (attr == &sysfs_iodone)
- return show_dev_iodone(ca, buf);
+ if (attr == &sysfs_iodone) {
+ dev_iodone_to_text(&out, ca);
+ return out.pos - buf;
+ }
sysfs_print(io_latency_read, atomic64_read(&ca->cur_latency[READ]));
sysfs_print(io_latency_write, atomic64_read(&ca->cur_latency[WRITE]));
- if (attr == &sysfs_io_latency_stats_read)
- return bch2_time_stats_print(&ca->io_latency[READ], buf, PAGE_SIZE);
- if (attr == &sysfs_io_latency_stats_write)
- return bch2_time_stats_print(&ca->io_latency[WRITE], buf, PAGE_SIZE);
+ if (attr == &sysfs_io_latency_stats_read) {
+ bch2_time_stats_to_text(&out, &ca->io_latency[READ]);
+ return out.pos - buf;
+ }
+ if (attr == &sysfs_io_latency_stats_write) {
+ bch2_time_stats_to_text(&out, &ca->io_latency[WRITE]);
+ return out.pos - buf;
+ }
sysfs_printf(congested, "%u%%",
clamp(atomic_read(&ca->congested), 0, CONGESTED_MAX)
* 100 / CONGESTED_MAX);
if (attr == &sysfs_bucket_quantiles_last_read)
- return show_quantiles(c, ca, buf, bucket_last_io_fn, (void *) 0);
+ return quantiles_to_text(&out, c, ca, bucket_last_io_fn, (void *) 0) ?: out.pos - buf;
if (attr == &sysfs_bucket_quantiles_last_write)
- return show_quantiles(c, ca, buf, bucket_last_io_fn, (void *) 1);
+ return quantiles_to_text(&out, c, ca, bucket_last_io_fn, (void *) 1) ?: out.pos - buf;
if (attr == &sysfs_bucket_quantiles_fragmentation)
- return show_quantiles(c, ca, buf, bucket_sectors_used_fn, NULL);
+ return quantiles_to_text(&out, c, ca, bucket_sectors_used_fn, NULL) ?: out.pos - buf;
if (attr == &sysfs_bucket_quantiles_oldest_gen)
- return show_quantiles(c, ca, buf, bucket_oldest_gen_fn, NULL);
+ return quantiles_to_text(&out, c, ca, bucket_oldest_gen_fn, NULL) ?: out.pos - buf;
- if (attr == &sysfs_reserve_stats)
- return show_reserve_stats(ca, buf);
- if (attr == &sysfs_alloc_debug)
- return show_dev_alloc_debug(ca, buf);
+ if (attr == &sysfs_reserve_stats) {
+ reserve_stats_to_text(&out, ca);
+ return out.pos - buf;
+ }
+ if (attr == &sysfs_alloc_debug) {
+ dev_alloc_debug_to_text(&out, ca);
+ return out.pos - buf;
+ }
return 0;
}
struct bch_fs *c = ca->fs;
struct bch_member *mi;
- sysfs_pd_controller_store(copy_gc, &ca->copygc_pd);
-
if (attr == &sysfs_discard) {
bool v = strtoul_or_return(buf);
/* debug: */
&sysfs_alloc_debug,
&sysfs_wake_allocator,
-
- sysfs_pd_controller_files(copy_gc),
NULL
};
projects / bcachefs-tools-debian / blobdiff