+// SPDX-License-Identifier: GPL-2.0
/*
* bcache sysfs interfaces
*
#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"
#define sysfs_hprint(file, val) \
do { \
if (attr == &sysfs_ ## file) { \
- ssize_t ret = bch2_hprint(buf, val); \
- strcat(buf, "\n"); \
- return ret + 1; \
+ struct printbuf out = _PBUF(buf, PAGE_SIZE); \
+ bch2_hprint(&out, val); \
+ pr_buf(&out, "\n"); \
+ return out.pos - buf; \
} \
} while (0)
write_attribute(trigger_journal_flush);
write_attribute(trigger_btree_coalesce);
write_attribute(trigger_gc);
+write_attribute(trigger_alloc_write);
write_attribute(prune_cache);
rw_attribute(btree_gc_periodic);
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 */
static ssize_t show_fs_alloc_debug(struct bch_fs *c, char *buf)
{
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);
-
- 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, "\terasure coded:\t%llu\n",
- stats.replicas[replicas].ec_data);
- pr_buf(&out, "\treserved:\t%llu\n",
- stats.replicas[replicas].persistent_reserved);
- }
+ struct bch_fs_usage *fs_usage = bch2_fs_usage_read(c);
- 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.s.online_reserved);
+ percpu_up_read(&c->mark_lock);
+
+ kfree(fs_usage);
return out.pos - buf;
}
static ssize_t bch2_compression_stats(struct bch_fs *c, char *buf)
{
- 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)
+ 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);
+
+ ret = bch2_trans_exit(&trans) ?: ret;
+ if (ret)
+ return ret;
return scnprintf(buf, PAGE_SIZE,
"uncompressed data:\n"
if (attr == &sysfs_new_stripes)
return bch2_new_stripes(c, buf);
+ if (attr == &sysfs_io_timers_read)
+ return bch2_io_timers_show(&c->io_clock[READ], buf);
+ if (attr == &sysfs_io_timers_write)
+ return bch2_io_timers_show(&c->io_clock[WRITE], buf);
+
#define BCH_DEBUG_PARAM(name, description) sysfs_print(name, c->name);
BCH_DEBUG_PARAMS()
#undef BCH_DEBUG_PARAM
BCH_DEBUG_PARAMS()
#undef BCH_DEBUG_PARAM
- if (!bch2_fs_running(c))
+ if (!test_bit(BCH_FS_STARTED, &c->flags))
return -EPERM;
/* Debugging: */
bch2_coalesce(c);
if (attr == &sysfs_trigger_gc)
- bch2_gc(c, NULL, false);
+ bch2_gc(c, NULL, false, false);
+
+ if (attr == &sysfs_trigger_alloc_write) {
+ bool wrote;
+
+ bch2_alloc_write(c, 0, &wrote);
+ }
if (attr == &sysfs_prune_cache) {
struct shrink_control sc;
&sysfs_trigger_journal_flush,
&sysfs_trigger_btree_coalesce,
&sysfs_trigger_gc,
+ &sysfs_trigger_alloc_write,
&sysfs_prune_cache,
&sysfs_copy_gc_enabled,
&sysfs_new_stripes,
+ &sysfs_io_timers_read,
+ &sysfs_io_timers_write,
+
&sysfs_internal_uuid,
#define BCH_DEBUG_PARAM(name, description) &sysfs_##name,
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);
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,
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",
fifo_used(&ca->free_inc),
fifo_used(&ca->free[i]),
ca->free[i].size);
- spin_unlock(&ca->freelist_lock);
+ spin_unlock(&ca->fs->freelist_lock);
return out.pos - buf;
}
{
struct bch_fs *c = ca->fs;
struct bch_dev_usage stats = bch2_dev_usage_read(c, 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]++;
return scnprintf(buf, PAGE_SIZE,
"free_inc: %zu/%zu\n"
" copygc threshold: %llu\n"
"freelist_wait: %s\n"
"open buckets: %u/%u (reserved %u)\n"
- "open_buckets_wait: %s\n",
+ "open_buckets_wait: %s\n"
+ "open_buckets_btree: %u\n"
+ "open_buckets_user: %u\n"
+ "btree reserve cache: %u\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,
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");
+ 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[] = {
static ssize_t show_dev_iodone(struct bch_dev *ca, char *buf)
{
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;
-
- for_each_possible_cpu(cpu)
- n += per_cpu_ptr(ca->io_done, cpu)->sectors[rw][i];
-
+ for (i = 1; i < BCH_DATA_NR; i++)
pr_buf(&out, "%-12s:%12llu\n",
- bch2_data_types[i], n << 9);
- }
+ bch2_data_types[i],
+ percpu_u64_get(&ca->io_done->sectors[rw][i]) << 9);
}
return out.pos - buf;
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");
projects / bcachefs-tools-debian / blobdiff