bcachefs: Mark bch_inode_info as SLAB_ACCOUNT

After commit 230e9fc ("slab: add SLAB_ACCOUNT flag"), we need to mark
the inode cache as SLAB_ACCOUNT, similar to commit 5d09705 ("kmemcg:
account for certain kmem allocations to memcg")

Signed-off-by: Youling Tang <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>

Author: tangyouling

fs/bcachefs/fs.c

@@ -2071,7 +2071,8 @@ int __init bch2_vfs_init(void)
 {
 	int ret = -ENOMEM;
 
-	bch2_inode_cache = KMEM_CACHE(bch_inode_info, SLAB_RECLAIM_ACCOUNT);
+	bch2_inode_cache = KMEM_CACHE(bch_inode_info, SLAB_RECLAIM_ACCOUNT |
+				      SLAB_ACCOUNT);
 	if (!bch2_inode_cache)
 		goto err;