696 struct async_extent {  struct
730 	struct async_extent *async_extent;  in add_async_extent()  local
732 	async_extent = kmalloc(sizeof(*async_extent), GFP_NOFS);  in add_async_extent()
733 	BUG_ON(!async_extent); /* -ENOMEM */  in add_async_extent()
734 	async_extent->start = start;  in add_async_extent()
735 	async_extent->ram_size = ram_size;  in add_async_extent()
736 	async_extent->compressed_size = compressed_size;  in add_async_extent()
737 	async_extent->pages = pages;  in add_async_extent()
738 	async_extent->nr_pages = nr_pages;  in add_async_extent()
739 	async_extent->compress_type = compress_type;  in add_async_extent()
740 	list_add_tail(&async_extent->list, &cow->extents);  in add_async_extent()
1045 static void free_async_extent_pages(struct async_extent *async_extent)  in free_async_extent_pages()  argument
1049 	if (!async_extent->pages)  in free_async_extent_pages()
1052 	for (i = 0; i < async_extent->nr_pages; i++) {  in free_async_extent_pages()
1053 		WARN_ON(async_extent->pages[i]->mapping);  in free_async_extent_pages()
1054 		put_page(async_extent->pages[i]);  in free_async_extent_pages()
1056 	kfree(async_extent->pages);  in free_async_extent_pages()
1057 	async_extent->nr_pages = 0;  in free_async_extent_pages()
1058 	async_extent->pages = NULL;  in free_async_extent_pages()
1062 				      struct async_extent *async_extent,  in submit_uncompressed_range()  argument
1065 	u64 start = async_extent->start;  in submit_uncompressed_range()
1066 	u64 end = async_extent->start + async_extent->ram_size - 1;  in submit_uncompressed_range()
1095 				    struct async_extent *async_extent,  in submit_one_async_extent()  argument
1107 	u64 start = async_extent->start;  in submit_one_async_extent()
1108 	u64 end = async_extent->start + async_extent->ram_size - 1;  in submit_one_async_extent()
1126 	if (async_extent->compress_type == BTRFS_COMPRESS_NONE) {  in submit_one_async_extent()
1127 		submit_uncompressed_range(inode, async_extent, locked_page);  in submit_one_async_extent()
1131 	ret = btrfs_reserve_extent(root, async_extent->ram_size,  in submit_one_async_extent()
1132 				   async_extent->compressed_size,  in submit_one_async_extent()
1133 				   async_extent->compressed_size,  in submit_one_async_extent()
1148 			  async_extent->ram_size,	/* len */  in submit_one_async_extent()
1153 			  async_extent->ram_size,	/* ram_bytes */  in submit_one_async_extent()
1154 			  async_extent->compress_type,  in submit_one_async_extent()
1163 				       async_extent->ram_size,	/* num_bytes */  in submit_one_async_extent()
1164 				       async_extent->ram_size,	/* ram_bytes */  in submit_one_async_extent()
1169 				       async_extent->compress_type);  in submit_one_async_extent()
1182 			    async_extent->pages,	/* compressed_pages */  in submit_one_async_extent()
1183 			    async_extent->nr_pages,  in submit_one_async_extent()
1189 	kfree(async_extent);  in submit_one_async_extent()
1203 	free_async_extent_pages(async_extent);  in submit_one_async_extent()
1209 		    async_extent->ram_size, ret);  in submit_one_async_extent()
1210 	kfree(async_extent);  in submit_one_async_extent()
1574 	struct async_extent *async_extent;  in submit_compressed_extents()  local
1582 		async_extent = list_entry(async_chunk->extents.next,  in submit_compressed_extents()
1583 					  struct async_extent, list);  in submit_compressed_extents()
1584 		list_del(&async_extent->list);  in submit_compressed_extents()
1585 		submit_one_async_extent(async_chunk, async_extent, &alloc_hint);  in submit_compressed_extents()