bcachefs: Journal updates to dev usage
This eliminates the need to scan every bucket to regenerate dev_usage at
mount time.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 763cac0..0c24a53 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -429,7 +429,9 @@ struct bch_dev {
unsigned long *buckets_nouse;
struct rw_semaphore bucket_lock;
- struct bch_dev_usage __percpu *usage[2];
+ struct bch_dev_usage *usage_base;
+ struct bch_dev_usage __percpu *usage[JOURNAL_BUF_NR];
+ struct bch_dev_usage __percpu *usage_gc;
/* Allocator: */
struct task_struct __rcu *alloc_thread;
@@ -582,6 +584,8 @@ struct bch_fs {
struct journal_entry_res replicas_journal_res;
+ struct journal_entry_res dev_usage_journal_res;
+
struct bch_disk_groups_cpu __rcu *disk_groups;
struct bch_opts opts;
