afs: Potentially return call->reply[0] from afs_make_call()
If call->ret_reply0 is set, return call->reply[0] on success. Change the
return type of afs_make_call() to long so that this can be passed back
without bit loss and then cast to a pointer if required.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 77a83e1..94b676c 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -101,6 +101,7 @@ struct afs_call {
bool send_pages; /* T if data from mapping should be sent */
bool need_attention; /* T if RxRPC poked us */
bool async; /* T if asynchronous */
+ bool ret_reply0; /* T if should return reply[0] on success */
bool upgrade; /* T to request service upgrade */
u16 service_id; /* RxRPC service ID to call */
u32 operation_ID; /* operation ID for an incoming call */
@@ -647,7 +648,7 @@ extern void __net_exit afs_close_socket(struct afs_net *);
extern void afs_charge_preallocation(struct work_struct *);
extern void afs_put_call(struct afs_call *);
extern int afs_queue_call_work(struct afs_call *);
-extern int afs_make_call(struct sockaddr_rxrpc *, struct afs_call *, gfp_t, bool);
+extern long afs_make_call(struct sockaddr_rxrpc *, struct afs_call *, gfp_t, bool);
extern struct afs_call *afs_alloc_flat_call(struct afs_net *,
const struct afs_call_type *,
size_t, size_t);