libceph: use void pointers in page vector functions

The functions used for working with ceph page vectors are defined
with char pointers, but they're really intended to operate on
untyped data.  Change the types of these function parameters
to (void *) to reflect this.

(Note that the functions now assume void pointer arithmetic works
like arithmetic on char pointers.)

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index cd9c21df87d1..5b20be979c19 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -12,7 +12,7 @@
 /*
  * build a vector of user pages
  */
-struct page **ceph_get_direct_page_vector(const char __user *data,
+struct page **ceph_get_direct_page_vector(const void __user *data,
                                           int num_pages, bool write_page)
 {
         struct page **pages;
@@ -93,7 +93,7 @@ EXPORT_SYMBOL(ceph_alloc_page_vector);
  * copy user data into a page vector
  */
 int ceph_copy_user_to_page_vector(struct page **pages,
-                                         const char __user *data,
+                                         const void __user *data,
                                          loff_t off, size_t len)
 {
         int i = 0;
@@ -119,7 +119,7 @@ int ceph_copy_user_to_page_vector(struct page **pages,
 EXPORT_SYMBOL(ceph_copy_user_to_page_vector);
 
 int ceph_copy_to_page_vector(struct page **pages,
-                                    const char *data,
+                                    const void *data,
                                     loff_t off, size_t len)
 {
         int i = 0;
@@ -143,7 +143,7 @@ int ceph_copy_to_page_vector(struct page **pages,
 EXPORT_SYMBOL(ceph_copy_to_page_vector);
 
 int ceph_copy_from_page_vector(struct page **pages,
-                                    char *data,
+                                    void *data,
                                     loff_t off, size_t len)
 {
         int i = 0;
@@ -170,7 +170,7 @@ EXPORT_SYMBOL(ceph_copy_from_page_vector);
  * copy user data from a page vector into a user pointer
  */
 int ceph_copy_page_vector_to_user(struct page **pages,
-                                         char __user *data,
+                                         void __user *data,
                                          loff_t off, size_t len)
 {
         int i = 0;