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-rw-r--r--fs/afs/rxrpc.c46
1 files changed, 35 insertions, 11 deletions
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 10743043d431..0bf191f0dbaf 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -292,6 +292,19 @@ static void afs_load_bvec(struct afs_call *call, struct msghdr *msg,
}
/*
+ * Advance the AFS call state when the RxRPC call ends the transmit phase.
+ */
+static void afs_notify_end_request_tx(struct sock *sock,
+ struct rxrpc_call *rxcall,
+ unsigned long call_user_ID)
+{
+ struct afs_call *call = (struct afs_call *)call_user_ID;
+
+ if (call->state == AFS_CALL_REQUESTING)
+ call->state = AFS_CALL_AWAIT_REPLY;
+}
+
+/*
* attach the data from a bunch of pages on an inode to a call
*/
static int afs_send_pages(struct afs_call *call, struct msghdr *msg)
@@ -310,14 +323,8 @@ static int afs_send_pages(struct afs_call *call, struct msghdr *msg)
bytes = msg->msg_iter.count;
nr = msg->msg_iter.nr_segs;
- /* Have to change the state *before* sending the last
- * packet as RxRPC might give us the reply before it
- * returns from sending the request.
- */
- if (first + nr - 1 >= last)
- call->state = AFS_CALL_AWAIT_REPLY;
- ret = rxrpc_kernel_send_data(afs_socket, call->rxcall,
- msg, bytes);
+ ret = rxrpc_kernel_send_data(afs_socket, call->rxcall, msg,
+ bytes, afs_notify_end_request_tx);
for (loop = 0; loop < nr; loop++)
put_page(bv[loop].bv_page);
if (ret < 0)
@@ -409,7 +416,8 @@ int afs_make_call(struct in_addr *addr, struct afs_call *call, gfp_t gfp,
if (!call->send_pages)
call->state = AFS_CALL_AWAIT_REPLY;
ret = rxrpc_kernel_send_data(afs_socket, rxcall,
- &msg, call->request_size);
+ &msg, call->request_size,
+ afs_notify_end_request_tx);
if (ret < 0)
goto error_do_abort;
@@ -741,6 +749,20 @@ static int afs_deliver_cm_op_id(struct afs_call *call)
}
/*
+ * Advance the AFS call state when an RxRPC service call ends the transmit
+ * phase.
+ */
+static void afs_notify_end_reply_tx(struct sock *sock,
+ struct rxrpc_call *rxcall,
+ unsigned long call_user_ID)
+{
+ struct afs_call *call = (struct afs_call *)call_user_ID;
+
+ if (call->state == AFS_CALL_REPLYING)
+ call->state = AFS_CALL_AWAIT_ACK;
+}
+
+/*
* send an empty reply
*/
void afs_send_empty_reply(struct afs_call *call)
@@ -759,7 +781,8 @@ void afs_send_empty_reply(struct afs_call *call)
msg.msg_flags = 0;
call->state = AFS_CALL_AWAIT_ACK;
- switch (rxrpc_kernel_send_data(afs_socket, call->rxcall, &msg, 0)) {
+ switch (rxrpc_kernel_send_data(afs_socket, call->rxcall, &msg, 0,
+ afs_notify_end_reply_tx)) {
case 0:
_leave(" [replied]");
return;
@@ -797,7 +820,8 @@ void afs_send_simple_reply(struct afs_call *call, const void *buf, size_t len)
msg.msg_flags = 0;
call->state = AFS_CALL_AWAIT_ACK;
- n = rxrpc_kernel_send_data(afs_socket, call->rxcall, &msg, len);
+ n = rxrpc_kernel_send_data(afs_socket, call->rxcall, &msg, len,
+ afs_notify_end_reply_tx);
if (n >= 0) {
/* Success */
_leave(" [replied]");