464 static void btrfs_drop_pages(struct page **pages, size_t num_pages)  in btrfs_drop_pages()  argument
474 		ClearPageChecked(pages[i]);  in btrfs_drop_pages()
475 		unlock_page(pages[i]);  in btrfs_drop_pages()
476 		page_cache_release(pages[i]);  in btrfs_drop_pages()
489 			     struct page **pages, size_t num_pages,  in btrfs_dirty_pages()  argument
511 		struct page *p = pages[i];  in btrfs_dirty_pages()
1316 static noinline int prepare_pages(struct inode *inode, struct page **pages,  in prepare_pages()  argument
1327 		pages[i] = find_or_create_page(inode->i_mapping, index + i,  in prepare_pages()
1329 		if (!pages[i]) {  in prepare_pages()
1336 			err = prepare_uptodate_page(pages[i], pos,  in prepare_pages()
1339 			err = prepare_uptodate_page(pages[i],  in prepare_pages()
1342 			page_cache_release(pages[i]);  in prepare_pages()
1346 		wait_on_page_writeback(pages[i]);  in prepare_pages()
1352 		unlock_page(pages[faili]);  in prepare_pages()
1353 		page_cache_release(pages[faili]);  in prepare_pages()
1371 lock_and_cleanup_extent_if_need(struct inode *inode, struct page **pages,  in lock_and_cleanup_extent_if_need()  argument
1397 				unlock_page(pages[i]);  in lock_and_cleanup_extent_if_need()
1398 				page_cache_release(pages[i]);  in lock_and_cleanup_extent_if_need()
1417 		if (clear_page_dirty_for_io(pages[i]))  in lock_and_cleanup_extent_if_need()
1418 			account_page_redirty(pages[i]);  in lock_and_cleanup_extent_if_need()
1419 		set_page_extent_mapped(pages[i]);  in lock_and_cleanup_extent_if_need()
1420 		WARN_ON(!PageLocked(pages[i]));  in lock_and_cleanup_extent_if_need()
1475 	struct page **pages = NULL;  in __btrfs_buffered_write()  local
1492 	pages = kmalloc_array(nrptrs, sizeof(struct page *), GFP_KERNEL);  in __btrfs_buffered_write()
1493 	if (!pages)  in __btrfs_buffered_write()
1562 		ret = prepare_pages(inode, pages, num_pages,  in __btrfs_buffered_write()
1568 		ret = lock_and_cleanup_extent_if_need(inode, pages, num_pages,  in __btrfs_buffered_write()
1581 					   write_bytes, pages, i);  in __btrfs_buffered_write()
1625 			ret = btrfs_dirty_pages(root, inode, pages,  in __btrfs_buffered_write()
1633 			btrfs_drop_pages(pages, num_pages);  in __btrfs_buffered_write()
1652 		btrfs_drop_pages(pages, num_pages);  in __btrfs_buffered_write()
1664 	kfree(pages);  in __btrfs_buffered_write()