ceph: use get_user_pages_fast()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-09-22 18:23:17 -04:00
parent 8dcf932d54
commit 77478715ba

View File

@ -24,9 +24,9 @@ struct page **ceph_get_direct_page_vector(const void __user *data,
return ERR_PTR(-ENOMEM);
while (got < num_pages) {
rc = get_user_pages_unlocked(
rc = get_user_pages_fast(
(unsigned long)data + ((unsigned long)got * PAGE_SIZE),
num_pages - got, pages + got, write_page ? FOLL_WRITE : 0);
num_pages - got, write_page, pages + got);
if (rc < 0)
break;
BUG_ON(rc == 0);