762 struct async_chunk {  struct
776 	struct async_chunk chunks[];  argument
779 static int add_async_extent(struct async_chunk *cow, u64 start, u64 ram_size,  in add_async_extent()
934 	struct async_chunk *async_chunk =  in compress_file_range()  local
935 		container_of(work, struct async_chunk, work);  in compress_file_range()
936 	struct btrfs_inode *inode = async_chunk->inode;  in compress_file_range()
942 	u64 start = async_chunk->start;  in compress_file_range()
943 	u64 end = async_chunk->end;  in compress_file_range()
1024 				 compress_level, async_chunk->write_flags);  in compress_file_range()
1085 	ret = add_async_extent(async_chunk, start, total_in, cb);  in compress_file_range()
1098 	ret = add_async_extent(async_chunk, start, end - start + 1, NULL);  in compress_file_range()
1133 static void submit_one_async_extent(struct async_chunk *async_chunk,  in submit_one_async_extent()  argument
1137 	struct btrfs_inode *inode = async_chunk->inode;  in submit_one_async_extent()
1152 	if (async_chunk->blkcg_css)  in submit_one_async_extent()
1153 		kthread_associate_blkcg(async_chunk->blkcg_css);  in submit_one_async_extent()
1159 	if (async_chunk->locked_folio) {  in submit_one_async_extent()
1160 		u64 locked_folio_start = folio_pos(async_chunk->locked_folio);  in submit_one_async_extent()
1162 			folio_size(async_chunk->locked_folio) - 1;  in submit_one_async_extent()
1165 			locked_folio = async_chunk->locked_folio;  in submit_one_async_extent()
1228 	if (async_chunk->blkcg_css)  in submit_one_async_extent()
1246 	if (async_chunk->blkcg_css)  in submit_one_async_extent()
1659 	struct async_chunk *async_chunk = container_of(work, struct async_chunk,  in submit_compressed_extents()  local
1669 		btrfs_add_delayed_iput(async_chunk->inode);  in submit_compressed_extents()
1670 		if (async_chunk->blkcg_css)  in submit_compressed_extents()
1671 			css_put(async_chunk->blkcg_css);  in submit_compressed_extents()
1673 		async_cow = async_chunk->async_cow;  in submit_compressed_extents()
1679 	nr_pages = (async_chunk->end - async_chunk->start + PAGE_SIZE) >>  in submit_compressed_extents()
1682 	while (!list_empty(&async_chunk->extents)) {  in submit_compressed_extents()
1683 		async_extent = list_first_entry(&async_chunk->extents,  in submit_compressed_extents()
1686 		submit_one_async_extent(async_chunk, async_extent, &alloc_hint);  in submit_compressed_extents()
1702 	struct async_chunk *async_chunk;  in run_delalloc_compressed()  local
1717 	async_chunk = ctx->chunks;  in run_delalloc_compressed()
1728 		async_chunk[i].async_cow = ctx;  in run_delalloc_compressed()
1729 		async_chunk[i].inode = inode;  in run_delalloc_compressed()
1730 		async_chunk[i].start = start;  in run_delalloc_compressed()
1731 		async_chunk[i].end = cur_end;  in run_delalloc_compressed()
1732 		async_chunk[i].write_flags = write_flags;  in run_delalloc_compressed()
1733 		INIT_LIST_HEAD(&async_chunk[i].extents);  in run_delalloc_compressed()
1757 			async_chunk[i].locked_folio = locked_folio;  in run_delalloc_compressed()
1760 			async_chunk[i].locked_folio = NULL;  in run_delalloc_compressed()
1765 			async_chunk[i].blkcg_css = blkcg_css;  in run_delalloc_compressed()
1766 			async_chunk[i].write_flags |= REQ_BTRFS_CGROUP_PUNT;  in run_delalloc_compressed()
1768 			async_chunk[i].blkcg_css = NULL;  in run_delalloc_compressed()
1771 		btrfs_init_work(&async_chunk[i].work, compress_file_range,  in run_delalloc_compressed()
1777 		btrfs_queue_work(fs_info->delalloc_workers, &async_chunk[i].work);  in run_delalloc_compressed()