189 void afs_put_read(struct afs_read *req)  in afs_put_read()  argument
193 	if (refcount_dec_and_test(&req->usage)) {  in afs_put_read()
194 		if (req->pages) {  in afs_put_read()
195 			for (i = 0; i < req->nr_pages; i++)  in afs_put_read()
196 				if (req->pages[i])  in afs_put_read()
197 					put_page(req->pages[i]);  in afs_put_read()
198 			if (req->pages != req->array)  in afs_put_read()
199 				kfree(req->pages);  in afs_put_read()
201 		kfree(req);  in afs_put_read()
276 	struct afs_read *req;  in afs_page_filler()  local
315 		req = kzalloc(struct_size(req, array, 1), GFP_KERNEL);  in afs_page_filler()
316 		if (!req)  in afs_page_filler()
323 		refcount_set(&req->usage, 1);  in afs_page_filler()
324 		req->pos = (loff_t)page->index << PAGE_SHIFT;  in afs_page_filler()
325 		req->len = PAGE_SIZE;  in afs_page_filler()
326 		req->nr_pages = 1;  in afs_page_filler()
327 		req->pages = req->array;  in afs_page_filler()
328 		req->pages[0] = page;  in afs_page_filler()
333 		ret = afs_fetch_data(vnode, key, req);  in afs_page_filler()
334 		afs_put_read(req);  in afs_page_filler()
414 static void afs_readpages_page_done(struct afs_read *req)  in afs_readpages_page_done()  argument
417 	struct afs_vnode *vnode = req->vnode;  in afs_readpages_page_done()
419 	struct page *page = req->pages[req->index];  in afs_readpages_page_done()
421 	req->pages[req->index] = NULL;  in afs_readpages_page_done()
444 	struct afs_read *req;  in afs_readpages_one()  local
465 	req = kzalloc(struct_size(req, array, n), GFP_NOFS);  in afs_readpages_one()
466 	if (!req)  in afs_readpages_one()
469 	refcount_set(&req->usage, 1);  in afs_readpages_one()
470 	req->vnode = vnode;  in afs_readpages_one()
471 	req->page_done = afs_readpages_page_done;  in afs_readpages_one()
472 	req->pos = first->index;  in afs_readpages_one()
473 	req->pos <<= PAGE_SHIFT;  in afs_readpages_one()
474 	req->pages = req->array;  in afs_readpages_one()
498 		req->pages[req->nr_pages++] = page;  in afs_readpages_one()
499 		req->len += PAGE_SIZE;  in afs_readpages_one()
500 	} while (req->nr_pages < n);  in afs_readpages_one()
502 	if (req->nr_pages == 0) {  in afs_readpages_one()
503 		kfree(req);  in afs_readpages_one()
507 	ret = afs_fetch_data(vnode, key, req);  in afs_readpages_one()
511 	task_io_account_read(PAGE_SIZE * req->nr_pages);  in afs_readpages_one()
512 	afs_put_read(req);  in afs_readpages_one()
523 	for (i = 0; i < req->nr_pages; i++) {  in afs_readpages_one()
524 		page = req->pages[i];  in afs_readpages_one()
534 	afs_put_read(req);  in afs_readpages_one()