bcachefs: Add a mempool for the replicas delta list

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index 8c279261c98c..51ba38f19ca9 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -546,6 +546,8 @@ struct btree_iter_buf {
 	struct btree_iter	*iter;
 };
 
+#define REPLICAS_DELTA_LIST_MAX	(1U << 16)
+
 struct bch_fs {
 	struct closure		cl;
 
@@ -573,6 +575,7 @@ struct bch_fs {
 	struct bch_replicas_cpu replicas;
 	struct bch_replicas_cpu replicas_gc;
 	struct mutex		replicas_gc_lock;
+	mempool_t		replicas_delta_pool;
 
 	struct journal_entry_res btree_root_journal_res;
 	struct journal_entry_res replicas_journal_res;