fs/btrfs/file.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef BTRFS_FILE_H
   4 #define BTRFS_FILE_H
   5
   6 #include <linux/types.h>
   7
   8 struct file;
   9 struct extent_state;
  10 struct kiocb;
  11 struct iov_iter;
  12 struct page;
  13 struct btrfs_ioctl_encoded_io_args;
  14 struct btrfs_drop_extents_args;
  15 struct btrfs_inode;
  16 struct btrfs_root;
  17 struct btrfs_path;
  18 struct btrfs_replace_extent_info;
  19 struct btrfs_trans_handle;
  20
  21 extern const struct file_operations btrfs_file_operations;
  22
  23 int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
  24 int btrfs_drop_extents(struct btrfs_trans_handle *trans,
  25                        struct btrfs_root *root, struct btrfs_inode *inode,
  26                        struct btrfs_drop_extents_args *args);
  27 int btrfs_replace_file_extents(struct btrfs_inode *inode,
  28                            struct btrfs_path *path, const u64 start,
  29                            const u64 end,
  30                            struct btrfs_replace_extent_info *extent_info,
  31                            struct btrfs_trans_handle **trans_out);
  32 int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
  33                               struct btrfs_inode *inode, u64 start, u64 end);
  34 ssize_t btrfs_do_write_iter(struct kiocb *iocb, struct iov_iter *from,
  35                             const struct btrfs_ioctl_encoded_io_args *encoded);
  36 int btrfs_release_file(struct inode *inode, struct file *file);
  37 int btrfs_dirty_folio(struct btrfs_inode *inode, struct folio *folio, loff_t pos,
  38                       size_t write_bytes, struct extent_state **cached, bool noreserve);
  39 int btrfs_fdatawrite_range(struct btrfs_inode *inode, loff_t start, loff_t end);
  40 int btrfs_check_nocow_lock(struct btrfs_inode *inode, loff_t pos,
  41                            size_t *write_bytes, bool nowait);
  42 void btrfs_check_nocow_unlock(struct btrfs_inode *inode);
  43 bool btrfs_find_delalloc_in_range(struct btrfs_inode *inode, u64 start, u64 end,
  44                                   struct extent_state **cached_state,
  45                                   u64 *delalloc_start_ret, u64 *delalloc_end_ret);
  46 int btrfs_write_check(struct kiocb *iocb, size_t count);
  47 ssize_t btrfs_buffered_write(struct kiocb *iocb, struct iov_iter *i);
  48
  49 #endif