28 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _BCACHEFS_FS_IO_BUFFERED_H3#define _BCACHEFS_FS_IO_BUFFERED_H4 5#ifndef NO_BCACHEFS_FS6 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 pos,14 unsigned len, struct folio **, void **);15int bch2_write_end(struct file *, struct address_space *, loff_t,16 unsigned len, unsigned copied, struct folio *, 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#else23static 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#endif26 27#endif /* _BCACHEFS_FS_IO_BUFFERED_H */28