diff options
Diffstat (limited to 'libbcachefs/sysfs.c')
| -rw-r--r-- | libbcachefs/sysfs.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/libbcachefs/sysfs.c b/libbcachefs/sysfs.c index 98449e42..f1b0f001 100644 --- a/libbcachefs/sysfs.c +++ b/libbcachefs/sysfs.c @@ -41,14 +41,14 @@ #include "util.h" #define SYSFS_OPS(type) \ -const struct sysfs_ops type ## _sysfs_ops = { \ +const struct sysfs_ops type ## _sysfs_ops = { \ .show = type ## _show, \ .store = type ## _store \ } #define SHOW(fn) \ static ssize_t fn ## _to_text(struct printbuf *, \ - struct kobject *, struct attribute *);\ + struct kobject *, struct attribute *); \ \ static ssize_t fn ## _show(struct kobject *kobj, struct attribute *attr,\ char *buf) \ @@ -67,15 +67,24 @@ static ssize_t fn ## _show(struct kobject *kobj, struct attribute *attr,\ memcpy(buf, out.buf, ret); \ } \ printbuf_exit(&out); \ - return ret; \ + return bch2_err_class(ret); \ } \ \ static ssize_t fn ## _to_text(struct printbuf *out, struct kobject *kobj,\ struct attribute *attr) #define STORE(fn) \ +static ssize_t fn ## _store_inner(struct kobject *, struct attribute *,\ + const char *, size_t); \ + \ static ssize_t fn ## _store(struct kobject *kobj, struct attribute *attr,\ const char *buf, size_t size) \ +{ \ + return bch2_err_class(fn##_store_inner(kobj, attr, buf, size)); \ +} \ + \ +static ssize_t fn ## _store_inner(struct kobject *kobj, struct attribute *attr,\ + const char *buf, size_t size) #define __sysfs_attribute(_name, _mode) \ static struct attribute sysfs_##_name = \ @@ -157,6 +166,7 @@ write_attribute(trigger_gc); write_attribute(trigger_discards); write_attribute(trigger_invalidates); write_attribute(prune_cache); +write_attribute(btree_wakeup); rw_attribute(btree_gc_periodic); rw_attribute(gc_gens_pos); @@ -363,6 +373,21 @@ static void bch2_gc_gens_pos_to_text(struct printbuf *out, struct bch_fs *c) prt_printf(out, "\n"); } +static void bch2_btree_wakeup_all(struct bch_fs *c) +{ + struct btree_trans *trans; + + mutex_lock(&c->btree_trans_lock); + list_for_each_entry(trans, &c->btree_trans_list, list) { + struct btree_bkey_cached_common *b = READ_ONCE(trans->locking); + + if (b) + six_lock_wakeup_all(&b->lock); + + } + mutex_unlock(&c->btree_trans_lock); +} + SHOW(bch2_fs) { struct bch_fs *c = container_of(kobj, struct bch_fs, kobj); @@ -480,6 +505,9 @@ STORE(bch2_fs) c->btree_cache.shrink.scan_objects(&c->btree_cache.shrink, &sc); } + if (attr == &sysfs_btree_wakeup) + bch2_btree_wakeup_all(c); + if (attr == &sysfs_trigger_gc) { /* * Full gc is currently incompatible with btree key cache: @@ -610,6 +638,7 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_trigger_discards, &sysfs_trigger_invalidates, &sysfs_prune_cache, + &sysfs_btree_wakeup, &sysfs_gc_gens_pos, |