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Diffstat (limited to 'fs/bcachefs/sysfs.c')
-rw-r--r--fs/bcachefs/sysfs.c114
1 files changed, 51 insertions, 63 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index ee91bcc6433c..4ca84de6ab0e 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -230,42 +230,34 @@ static size_t bch2_btree_cache_size(struct bch_fs *c)
static ssize_t show_fs_alloc_debug(struct bch_fs *c, char *buf)
{
- char *out = buf, *end = buf + PAGE_SIZE;
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
struct bch_fs_usage stats = bch2_fs_usage_read(c);
unsigned replicas, type;
- out += scnprintf(out, end - out,
- "capacity:\t\t%llu\n",
- c->capacity);
+ pr_buf(&out, "capacity:\t\t%llu\n", c->capacity);
for (replicas = 0; replicas < ARRAY_SIZE(stats.replicas); replicas++) {
- out += scnprintf(out, end - out,
- "%u replicas:\n",
- replicas + 1);
+ pr_buf(&out, "%u replicas:\n", replicas + 1);
for (type = BCH_DATA_SB; type < BCH_DATA_NR; type++)
- out += scnprintf(out, end - out,
- "\t%s:\t\t%llu\n",
- bch2_data_types[type],
- stats.replicas[replicas].data[type]);
- out += scnprintf(out, end - out,
- "\treserved:\t%llu\n",
- stats.replicas[replicas].persistent_reserved);
+ 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);
}
- out += scnprintf(out, end - out, "bucket usage\n");
+ pr_buf(&out, "bucket usage\n");
for (type = BCH_DATA_SB; type < BCH_DATA_NR; type++)
- out += scnprintf(out, end - out,
- "\t%s:\t\t%llu\n",
- bch2_data_types[type],
- stats.buckets[type]);
+ pr_buf(&out, "\t%s:\t\t%llu\n",
+ bch2_data_types[type],
+ stats.buckets[type]);
- out += scnprintf(out, end - out,
- "online reserved:\t%llu\n",
- stats.online_reserved);
+ pr_buf(&out, "online reserved:\t%llu\n",
+ stats.online_reserved);
- return out - buf;
+ return out.pos - buf;
}
static ssize_t bch2_compression_stats(struct bch_fs *c, char *buf)
@@ -559,16 +551,16 @@ struct attribute *bch2_fs_internal_files[] = {
SHOW(bch2_fs_opts_dir)
{
- char *out = buf, *end = buf + PAGE_SIZE;
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
struct bch_fs *c = container_of(kobj, struct bch_fs, opts_dir);
const struct bch_option *opt = container_of(attr, struct bch_option, attr);
int id = opt - bch2_opt_table;
u64 v = bch2_opt_get_by_id(&c->opts, id);
- out += bch2_opt_to_text(c, out, end - out, opt, v, OPT_SHOW_FULL_LIST);
- out += scnprintf(out, end - out, "\n");
+ bch2_opt_to_text(&out, c, opt, v, OPT_SHOW_FULL_LIST);
+ pr_buf(&out, "\n");
- return out - buf;
+ return out.pos - buf;
}
STORE(bch2_fs_opts_dir)
@@ -742,25 +734,23 @@ static ssize_t show_quantiles(struct bch_fs *c, struct bch_dev *ca,
static ssize_t show_reserve_stats(struct bch_dev *ca, char *buf)
{
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
enum alloc_reserve i;
- ssize_t ret;
spin_lock(&ca->freelist_lock);
- ret = scnprintf(buf, PAGE_SIZE,
- "free_inc:\t%zu\t%zu\n",
- fifo_used(&ca->free_inc),
- ca->free_inc.size);
+ 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++)
- ret += scnprintf(buf + ret, PAGE_SIZE - ret,
- "free[%u]:\t%zu\t%zu\n", i,
- fifo_used(&ca->free[i]),
- ca->free[i].size);
+ 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 ret;
+ return out.pos - buf;
}
static ssize_t show_dev_alloc_debug(struct bch_dev *ca, char *buf)
@@ -825,11 +815,11 @@ static const char * const bch2_rw[] = {
static ssize_t show_dev_iodone(struct bch_dev *ca, char *buf)
{
- char *out = buf, *end = buf + PAGE_SIZE;
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
int rw, i, cpu;
for (rw = 0; rw < 2; rw++) {
- out += scnprintf(out, end - out, "%s:\n", bch2_rw[rw]);
+ pr_buf(&out, "%s:\n", bch2_rw[rw]);
for (i = 1; i < BCH_DATA_NR; i++) {
u64 n = 0;
@@ -837,19 +827,19 @@ static ssize_t show_dev_iodone(struct bch_dev *ca, char *buf)
for_each_possible_cpu(cpu)
n += per_cpu_ptr(ca->io_done, cpu)->sectors[rw][i];
- out += scnprintf(out, end - out, "%-12s:%12llu\n",
- bch2_data_types[i], n << 9);
+ pr_buf(&out, "%-12s:%12llu\n",
+ bch2_data_types[i], n << 9);
}
}
- return out - buf;
+ return out.pos - buf;
}
SHOW(bch2_dev)
{
struct bch_dev *ca = container_of(kobj, struct bch_dev, kobj);
struct bch_fs *c = ca->fs;
- char *out = buf, *end = buf + PAGE_SIZE;
+ struct printbuf out = _PBUF(buf, PAGE_SIZE);
sysfs_printf(uuid, "%pU\n", ca->uuid.b);
@@ -863,41 +853,39 @@ SHOW(bch2_dev)
if (attr == &sysfs_label) {
if (ca->mi.group) {
mutex_lock(&c->sb_lock);
- out += bch2_disk_path_print(&c->disk_sb, out, end - out,
- ca->mi.group - 1);
+ bch2_disk_path_to_text(&out, &c->disk_sb,
+ ca->mi.group - 1);
mutex_unlock(&c->sb_lock);
} else {
- out += scnprintf(out, end - out, "none");
+ pr_buf(&out, "none");
}
- out += scnprintf(out, end - out, "\n");
- return out - buf;
+ pr_buf(&out, "\n");
+ return out.pos - buf;
}
if (attr == &sysfs_has_data) {
- out += bch2_scnprint_flag_list(out, end - out,
- bch2_data_types,
- bch2_dev_has_data(c, ca));
- out += scnprintf(out, end - out, "\n");
- return out - buf;
+ bch2_flags_to_text(&out, bch2_data_types,
+ bch2_dev_has_data(c, ca));
+ pr_buf(&out, "\n");
+ return out.pos - buf;
}
sysfs_pd_controller_show(copy_gc, &ca->copygc_pd);
if (attr == &sysfs_cache_replacement_policy) {
- out += bch2_scnprint_string_list(out, end - out,
- bch2_cache_replacement_policies,
- ca->mi.replacement);
- out += scnprintf(out, end - out, "\n");
- return out - buf;
+ bch2_string_opt_to_text(&out,
+ bch2_cache_replacement_policies,
+ ca->mi.replacement);
+ pr_buf(&out, "\n");
+ return out.pos - buf;
}
if (attr == &sysfs_state_rw) {
- out += bch2_scnprint_string_list(out, end - out,
- bch2_dev_state,
- ca->mi.state);
- out += scnprintf(out, end - out, "\n");
- return out - buf;
+ bch2_string_opt_to_text(&out, bch2_dev_state,
+ ca->mi.state);
+ pr_buf(&out, "\n");
+ return out.pos - buf;
}
if (attr == &sysfs_iodone)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 14:37:33 +0000