19 	struct page **pages;  in ceph_get_direct_page_vector()  local
23 	pages = kmalloc_array(num_pages, sizeof(*pages), GFP_NOFS);  in ceph_get_direct_page_vector()
24 	if (!pages)  in ceph_get_direct_page_vector()
30 		    num_pages - got, write_page, pages + got);  in ceph_get_direct_page_vector()
38 	return pages;  in ceph_get_direct_page_vector()
41 	ceph_put_page_vector(pages, got, false);  in ceph_get_direct_page_vector()
46 void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty)  in ceph_put_page_vector()  argument
52 			set_page_dirty_lock(pages[i]);  in ceph_put_page_vector()
53 		put_page(pages[i]);  in ceph_put_page_vector()
55 	kvfree(pages);  in ceph_put_page_vector()
59 void ceph_release_page_vector(struct page **pages, int num_pages)  in ceph_release_page_vector()  argument
64 		__free_pages(pages[i], 0);  in ceph_release_page_vector()
65 	kfree(pages);  in ceph_release_page_vector()
74 	struct page **pages;  in ceph_alloc_page_vector()  local
77 	pages = kmalloc_array(num_pages, sizeof(*pages), flags);  in ceph_alloc_page_vector()
78 	if (!pages)  in ceph_alloc_page_vector()
81 		pages[i] = __page_cache_alloc(flags);  in ceph_alloc_page_vector()
82 		if (pages[i] == NULL) {  in ceph_alloc_page_vector()
83 			ceph_release_page_vector(pages, i);  in ceph_alloc_page_vector()
87 	return pages;  in ceph_alloc_page_vector()
94 int ceph_copy_user_to_page_vector(struct page **pages,  in ceph_copy_user_to_page_vector()  argument
105 		bad = copy_from_user(page_address(pages[i]) + po, data, l);  in ceph_copy_user_to_page_vector()
120 void ceph_copy_to_page_vector(struct page **pages,  in ceph_copy_to_page_vector()  argument
131 		memcpy(page_address(pages[i]) + po, data, l);  in ceph_copy_to_page_vector()
143 void ceph_copy_from_page_vector(struct page **pages,  in ceph_copy_from_page_vector()  argument
154 		memcpy(data, page_address(pages[i]) + po, l);  in ceph_copy_from_page_vector()
170 void ceph_zero_page_vector_range(int off, int len, struct page **pages)  in ceph_zero_page_vector_range()  argument
181 		dout("zeroing %d %p head from %d\n", i, pages[i],  in ceph_zero_page_vector_range()
183 		zero_user_segment(pages[i], off, end);  in ceph_zero_page_vector_range()
188 		dout("zeroing %d %p len=%d\n", i, pages[i], len);  in ceph_zero_page_vector_range()
189 		zero_user_segment(pages[i], 0, PAGE_SIZE);  in ceph_zero_page_vector_range()
195 		dout("zeroing %d %p tail to %d\n", i, pages[i], (int)len);  in ceph_zero_page_vector_range()
196 		zero_user_segment(pages[i], 0, len);  in ceph_zero_page_vector_range()