4 files changed, 5 insertions, 8 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 50ce731a2b78..87b5e9957c00 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -438,7 +438,6 @@ struct address_space_operations {
 	int (*swap_activate)(struct swap_info_struct *sis, struct file *file,
 				sector_t *span);
 	void (*swap_deactivate)(struct file *file);
-	int (*swap_rw)(struct kiocb *iocb, struct iov_iter *iter);
 };
 
 extern const struct address_space_operations empty_aops;
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index ec17e602c979..764056498eba 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -548,7 +548,6 @@ static inline const struct cred *nfs_file_cred(struct file *file)
 /*
  * linux/fs/nfs/direct.c
  */
-int nfs_swap_rw(struct kiocb *iocb, struct iov_iter *iter);
 ssize_t nfs_file_direct_read(struct kiocb *iocb,
 			     struct iov_iter *iter, bool swap);
 ssize_t nfs_file_direct_write(struct kiocb *iocb,
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 8dd68733c955..5658a1634b85 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -341,8 +341,6 @@ extern void __meminit kswapd_run(int nid);
 extern void __meminit kswapd_stop(int nid);
 
 #ifdef CONFIG_SWAP
-
-int swap_fs_activate(struct swap_info_struct *sis);
 int add_swap_extent(struct swap_info_struct *sis, unsigned long start_page,
 		unsigned long nr_pages, sector_t start_block);
 int generic_swapfile_activate(struct swap_info_struct *, struct file *,
@@ -468,10 +466,6 @@ static inline bool folio_free_swap(struct folio *folio)
 	return false;
 }
 
-static inline int swap_fs_activate(struct swap_info_struct *sis)
-{
-	return -EINVAL;
-}
 static inline int add_swap_extent(struct swap_info_struct *sis,
 				  unsigned long start_page,
 				  unsigned long nr_pages, sector_t start_block)
diff --git a/include/linux/swap_ops.h b/include/linux/swap_ops.h
index e92b4f532604..57ac6c703f68 100644
--- a/include/linux/swap_ops.h
+++ b/include/linux/swap_ops.h
@@ -36,4 +36,9 @@ struct swap_ops {
 	void (*submit_read)(struct swap_io_ctx *ctx);
 };
 
+void swap_fs_prepare_rw(struct swap_io_ctx *ctx, int rw, struct iov_iter *iter);
+bool swap_fs_can_merge(struct folio *folio, struct folio *prev_folio,
+		size_t prev_folio_size, int rw);
+int swap_fs_activate(struct swap_info_struct *sis, const struct swap_ops *ops);
+
 #endif /* _MM_SWAP_OPS_H */