fs/bcachefs/fs-io-buffered.h

   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
   7 int bch2_read_single_folio(struct folio *, struct address_space *);
   8 int bch2_read_folio(struct file *, struct folio *);
   9
  10 int bch2_writepages(struct address_space *, struct writeback_control *);
  11 void bch2_readahead(struct readahead_control *);
  12
  13 int bch2_write_begin(struct file *, struct address_space *, loff_t pos,
  14                      unsigned len, struct folio **, void **);
  15 int bch2_write_end(struct file *, struct address_space *, loff_t,
  16                    unsigned len, unsigned copied, struct folio *, void *);
  17
  18 ssize_t bch2_write_iter(struct kiocb *, struct iov_iter *);
  19
  20 void bch2_fs_fs_io_buffered_exit(struct bch_fs *);
  21 int bch2_fs_fs_io_buffered_init(struct bch_fs *);
  22 #else
  23 static inline void bch2_fs_fs_io_buffered_exit(struct bch_fs *c) {}
  24 static inline int bch2_fs_fs_io_buffered_init(struct bch_fs *c) { return 0; }
  25 #endif
  26
  27 #endif /* _BCACHEFS_FS_IO_BUFFERED_H */