diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2025-07-14 11:00:12 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-09-03 22:55:47 -0400 |
| commit | fd8885029f8acd3b777b80e1c375dd6e5c94dda3 (patch) | |
| tree | 01dc52e348d8b7838f200c7f279b5b99ffa20157 /fs/bcachefs/sysfs.c | |
| parent | af4c3aa9f2e0c3844615e3ccae4a88200ba9f244 (diff) | |
bcachefs: convert sysfs.c to CLASS/guards
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/sysfs.c')
| -rw-r--r-- | fs/bcachefs/sysfs.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index ac8d03d3c835..a3a9a29e1db5 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -61,7 +61,7 @@ static ssize_t fn ## _to_text(struct printbuf *, \ static ssize_t fn ## _show(struct kobject *kobj, struct attribute *attr,\ char *buf) \ { \ - struct printbuf out = PRINTBUF; \ + CLASS(printbuf, out)(); \ ssize_t ret = fn ## _to_text(&out, kobj, attr); \ \ if (out.pos && out.buf[out.pos - 1] != '\n') \ @@ -74,7 +74,6 @@ static ssize_t fn ## _show(struct kobject *kobj, struct attribute *attr,\ ret = min_t(size_t, out.pos, PAGE_SIZE - 1); \ memcpy(buf, out.buf, ret); \ } \ - printbuf_exit(&out); \ return bch2_err_class(ret); \ } \ \ @@ -233,14 +232,13 @@ static size_t bch2_btree_cache_size(struct bch_fs *c) size_t ret = 0; struct btree *b; - mutex_lock(&bc->lock); + guard(mutex)(&bc->lock); list_for_each_entry(b, &bc->live[0].list, list) ret += btree_buf_bytes(b); list_for_each_entry(b, &bc->live[1].list, list) ret += btree_buf_bytes(b); list_for_each_entry(b, &bc->freeable, list) ret += btree_buf_bytes(b); - mutex_unlock(&bc->lock); return ret; } @@ -453,9 +451,8 @@ STORE(bch2_fs) closure_wake_up(&c->freelist_wait); if (attr == &sysfs_trigger_recalc_capacity) { - down_read(&c->state_lock); + guard(rwsem_read)(&c->state_lock); bch2_recalc_capacity(c); - up_read(&c->state_lock); } if (attr == &sysfs_trigger_delete_dead_snapshots) |