bcachefs: bkey_cached.btree_trans_barrier_seq needs to be a ulong

this stores the SRCU sequence number, which we use to check if an SRCU
barrier has elapsed; this is a partial fix for the key cache shrinker
not actually freeing.

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

diff --git a/fs/bcachefs/btree_types.h b/fs/bcachefs/btree_types.h
index e0c982a4195c764ab8a415b5f7f80cbff88c1935..c69b233c41bb3d07a02ca296c03429360ff2294e 100644 (file)
--- a/fs/bcachefs/btree_types.h
+++ b/fs/bcachefs/btree_types.h
@@ -321,9 +321,9 @@ struct bkey_cached {
        struct btree_bkey_cached_common c;
 
        unsigned long           flags;
+       unsigned long           btree_trans_barrier_seq;
        u16                     u64s;
        bool                    valid;
-       u32                     btree_trans_barrier_seq;
        struct bkey_cached_key  key;
 
        struct rhash_head       hash;