cifs: fix up get_numpages



Use DIV_ROUND_UP. Also, PAGE_SIZE is more appropriate here since these
aren't pagecache pages.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>

parent 35ebb415

fs/cifs/file.c

+1 −3

Original line number	Diff line number	Diff line
		@@ -2071,9 +2071,7 @@ size_t get_numpages(const size_t wsize, const size_t len, size_t *cur_len)
		size_t clen;

		clen = min_t(const size_t, len, wsize);
		num_pages = clen / PAGE_CACHE_SIZE;
		if (clen % PAGE_CACHE_SIZE)
		num_pages++;
		num_pages = DIV_ROUND_UP(clen, PAGE_SIZE);

		if (cur_len)
		*cur_len = clen;