125 static void ext4_release_io_end(ext4_io_end_t *io_end)  in ext4_release_io_end()  argument
129 	BUG_ON(!list_empty(&io_end->list));  in ext4_release_io_end()
130 	BUG_ON(io_end->flag & EXT4_IO_END_UNWRITTEN);  in ext4_release_io_end()
131 	WARN_ON(io_end->handle);  in ext4_release_io_end()
133 	for (bio = io_end->bio; bio; bio = next_bio) {  in ext4_release_io_end()
138 	kmem_cache_free(io_end_cachep, io_end);  in ext4_release_io_end()
199 static void ext4_add_complete_io(ext4_io_end_t *io_end)  in ext4_add_complete_io()  argument
201 	struct ext4_inode_info *ei = EXT4_I(io_end->inode);  in ext4_add_complete_io()
202 	struct ext4_sb_info *sbi = EXT4_SB(io_end->inode->i_sb);  in ext4_add_complete_io()
207 	WARN_ON(!(io_end->flag & EXT4_IO_END_UNWRITTEN));  in ext4_add_complete_io()
208 	WARN_ON(!io_end->handle && sbi->s_journal);  in ext4_add_complete_io()
213 	list_add_tail(&io_end->list, &ei->i_rsv_conversion_list);  in ext4_add_complete_io()
264 void ext4_put_io_end_defer(ext4_io_end_t *io_end)  in ext4_put_io_end_defer()  argument
266 	if (atomic_dec_and_test(&io_end->count)) {  in ext4_put_io_end_defer()
267 		if (!(io_end->flag & EXT4_IO_END_UNWRITTEN) || !io_end->size) {  in ext4_put_io_end_defer()
268 			ext4_release_io_end(io_end);  in ext4_put_io_end_defer()
271 		ext4_add_complete_io(io_end);  in ext4_put_io_end_defer()
275 int ext4_put_io_end(ext4_io_end_t *io_end)  in ext4_put_io_end()  argument
279 	if (atomic_dec_and_test(&io_end->count)) {  in ext4_put_io_end()
280 		if (io_end->flag & EXT4_IO_END_UNWRITTEN) {  in ext4_put_io_end()
281 			err = ext4_convert_unwritten_extents(io_end->handle,  in ext4_put_io_end()
282 						io_end->inode, io_end->offset,  in ext4_put_io_end()
283 						io_end->size);  in ext4_put_io_end()
284 			io_end->handle = NULL;  in ext4_put_io_end()
285 			ext4_clear_io_unwritten_flag(io_end);  in ext4_put_io_end()
287 		ext4_release_io_end(io_end);  in ext4_put_io_end()
292 ext4_io_end_t *ext4_get_io_end(ext4_io_end_t *io_end)  in ext4_get_io_end()  argument
294 	atomic_inc(&io_end->count);  in ext4_get_io_end()
295 	return io_end;  in ext4_get_io_end()
301 	ext4_io_end_t *io_end = bio->bi_private;  in ext4_end_bio()  local
305 	if (WARN_ONCE(!io_end, "io_end is NULL: %s: sector %Lu len %u err %d\n",  in ext4_end_bio()
317 		struct inode *inode = io_end->inode;  in ext4_end_bio()
322 			     (unsigned long long) io_end->offset,  in ext4_end_bio()
323 			     (long) io_end->size,  in ext4_end_bio()
330 	if (io_end->flag & EXT4_IO_END_UNWRITTEN) {  in ext4_end_bio()
336 		bio->bi_private = xchg(&io_end->bio, bio);  in ext4_end_bio()
337 		ext4_put_io_end_defer(io_end);  in ext4_end_bio()
343 		ext4_put_io_end_defer(io_end);  in ext4_end_bio()
356 		io->io_bio->bi_write_hint = io->io_end->inode->i_write_hint;  in ext4_io_submit()
368 	io->io_end = NULL;  in ext4_io_submit_init()
383 	bio->bi_private = ext4_get_io_end(io->io_end);  in io_submit_init_bio()