1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef BTRFS_FILE_H 4 #define BTRFS_FILE_H 5 6 extern const struct file_operations btrfs_file_operations; 7 8 int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); 9 int btrfs_drop_extents(struct btrfs_trans_handle *trans, 10 struct btrfs_root *root, struct btrfs_inode *inode, 11 struct btrfs_drop_extents_args *args); 12 int btrfs_replace_file_extents(struct btrfs_inode *inode, 13 struct btrfs_path *path, const u64 start, 14 const u64 end, 15 struct btrfs_replace_extent_info *extent_info, 16 struct btrfs_trans_handle **trans_out); 17 int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, 18 struct btrfs_inode *inode, u64 start, u64 end); 19 ssize_t btrfs_do_write_iter(struct kiocb *iocb, struct iov_iter *from, 20 const struct btrfs_ioctl_encoded_io_args *encoded); 21 int btrfs_release_file(struct inode *inode, struct file *file); 22 int btrfs_dirty_pages(struct btrfs_inode *inode, struct page **pages, 23 size_t num_pages, loff_t pos, size_t write_bytes, 24 struct extent_state **cached, bool noreserve); 25 int btrfs_fdatawrite_range(struct inode *inode, loff_t start, loff_t end); 26 int btrfs_check_nocow_lock(struct btrfs_inode *inode, loff_t pos, 27 size_t *write_bytes, bool nowait); 28 void btrfs_check_nocow_unlock(struct btrfs_inode *inode); 29 bool btrfs_find_delalloc_in_range(struct btrfs_inode *inode, u64 start, u64 end, 30 struct extent_state **cached_state, 31 u64 *delalloc_start_ret, u64 *delalloc_end_ret); 32 33 #endif 34