1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _BCACHEFS_FS_IO_BUFFERED_H 3#define _BCACHEFS_FS_IO_BUFFERED_H 4 5#ifndef NO_BCACHEFS_FS 6 7int bch2_read_single_folio(struct folio *, struct address_space *); 8int bch2_read_folio(struct file *, struct folio *); 9 10int bch2_writepages(struct address_space *, struct writeback_control *); 11void bch2_readahead(struct readahead_control *); 12 13int bch2_write_begin(struct file *, struct address_space *, loff_t, 14 unsigned, struct page **, void **); 15int bch2_write_end(struct file *, struct address_space *, loff_t, 16 unsigned, unsigned, struct page *, void *); 17 18ssize_t bch2_write_iter(struct kiocb *, struct iov_iter *); 19 20void bch2_fs_fs_io_buffered_exit(struct bch_fs *); 21int bch2_fs_fs_io_buffered_init(struct bch_fs *); 22#else 23static inline void bch2_fs_fs_io_buffered_exit(struct bch_fs *c) {} 24static inline int bch2_fs_fs_io_buffered_init(struct bch_fs *c) { return 0; } 25#endif 26 27#endif /* _BCACHEFS_FS_IO_BUFFERED_H */ 28