fs/btrfs/extent_io.h

92 struct extent_buffer {
129 	struct extent_buffer *eb;
134 static inline unsigned long offset_in_eb_folio(const struct extent_buffer *eb,
149 static inline size_t get_eb_offset_in_folio(const struct extent_buffer *eb,
170 static inline unsigned long get_eb_folio_index(const struct extent_buffer *eb,
251 struct extent_buffer *alloc_extent_buffer(struct btrfs_fs_info *fs_info,
253 struct extent_buffer *__alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
255 struct extent_buffer *alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
257 struct extent_buffer *btrfs_clone_extent_buffer(const struct extent_buffer *src);
258 struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
260 void free_extent_buffer(struct extent_buffer *eb);
261 void free_extent_buffer_stale(struct extent_buffer *eb);
265 int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
267 void wait_on_extent_buffer_writeback(struct extent_buffer *eb);
270 void btrfs_readahead_node_child(struct extent_buffer *node, int slot);
272 static inline int num_extent_pages(const struct extent_buffer *eb)
291 static inline int num_extent_folios(const struct extent_buffer *eb)
298 static inline int extent_buffer_uptodate(const struct extent_buffer *eb)
303 int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
305 void read_extent_buffer(const struct extent_buffer *eb, void *dst,
308 int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb,
311 void write_extent_buffer(const struct extent_buffer *eb, const void *src,
315 		const struct extent_buffer *eb, const void *chunk_tree_uuid)
322 static inline void write_extent_buffer_fsid(const struct extent_buffer *eb,
329 void copy_extent_buffer_full(const struct extent_buffer *dst,
330 			     const struct extent_buffer *src);
331 void copy_extent_buffer(const struct extent_buffer *dst,
332 			const struct extent_buffer *src,
335 void memcpy_extent_buffer(const struct extent_buffer *dst,
338 void memmove_extent_buffer(const struct extent_buffer *dst,
341 void memzero_extent_buffer(const struct extent_buffer *eb, unsigned long start,
343 int extent_buffer_test_bit(const struct extent_buffer *eb, unsigned long start,
345 void extent_buffer_bitmap_set(const struct extent_buffer *eb, unsigned long start,
347 void extent_buffer_bitmap_clear(const struct extent_buffer *eb,
350 void set_extent_buffer_dirty(struct extent_buffer *eb);
351 void set_extent_buffer_uptodate(struct extent_buffer *eb);
352 void clear_extent_buffer_uptodate(struct extent_buffer *eb);
360 			      struct extent_buffer *buf);
370 struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,