88 	u64 end; /* inclusive */  member
106 int lock_extent(struct extent_io_tree *tree, u64 start, u64 end,
109 int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end);
119 int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
121 int clear_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
123 int __clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
128 				   u64 end, u32 bits,  in clear_extent_bit()  argument
131 	return __clear_extent_bit(tree, start, end, bits, cached,  in clear_extent_bit()
135 static inline int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end,  in unlock_extent()  argument
138 	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, cached,  in unlock_extent()
143 				       u64 end, struct extent_state **cached)  in unlock_extent_atomic()  argument
145 	return __clear_extent_bit(tree, start, end, EXTENT_LOCKED, cached,  in unlock_extent_atomic()
150 				    u64 end, u32 bits)  in clear_extent_bits()  argument
152 	return clear_extent_bit(tree, start, end, bits, NULL);  in clear_extent_bits()
155 int set_record_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
157 int set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
161 					 u64 end, u32 bits)  in set_extent_bits_nowait()  argument
163 	return set_extent_bit(tree, start, end, bits, NULL, GFP_NOWAIT);  in set_extent_bits_nowait()
167 		u64 end, u32 bits)  in set_extent_bits()  argument
169 	return set_extent_bit(tree, start, end, bits, NULL, GFP_NOFS);  in set_extent_bits()
173 		u64 end, struct extent_state **cached_state)  in clear_extent_uptodate()  argument
175 	return __clear_extent_bit(tree, start, end, EXTENT_UPTODATE,  in clear_extent_uptodate()
180 		u64 end, gfp_t mask)  in set_extent_dirty()  argument
182 	return set_extent_bit(tree, start, end, EXTENT_DIRTY, NULL, mask);  in set_extent_dirty()
186 				     u64 end, struct extent_state **cached)  in clear_extent_dirty()  argument
188 	return clear_extent_bit(tree, start, end,  in clear_extent_dirty()
193 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
198 				      u64 end, u32 extra_bits,  in set_extent_delalloc()  argument
201 	return set_extent_bit(tree, start, end,  in set_extent_delalloc()
207 		u64 end, struct extent_state **cached_state)  in set_extent_defrag()  argument
209 	return set_extent_bit(tree, start, end,  in set_extent_defrag()
215 		u64 end)  in set_extent_new()  argument
217 	return set_extent_bit(tree, start, end, EXTENT_NEW, NULL, GFP_NOFS);  in set_extent_new()
221 		u64 end, struct extent_state **cached_state, gfp_t mask)  in set_extent_uptodate()  argument
223 	return set_extent_bit(tree, start, end, EXTENT_UPTODATE,  in set_extent_uptodate()
235 			       u64 *end, u64 max_bytes,
237 void wait_extent_bit(struct extent_io_tree *tree, u64 start, u64 end, u32 bits);