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-rw-r--r--fs/afs/cmservice.c77
1 files changed, 35 insertions, 42 deletions
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 782d4d05a53b..41e277f57b20 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -41,7 +41,6 @@ static CM_NAME(CallBack);
static const struct afs_call_type afs_SRXCBCallBack = {
.name = afs_SRXCBCallBack_name,
.deliver = afs_deliver_cb_callback,
- .abort_to_error = afs_abort_to_error,
.destructor = afs_cm_destructor,
.work = SRXAFSCB_CallBack,
};
@@ -53,7 +52,6 @@ static CM_NAME(InitCallBackState);
static const struct afs_call_type afs_SRXCBInitCallBackState = {
.name = afs_SRXCBInitCallBackState_name,
.deliver = afs_deliver_cb_init_call_back_state,
- .abort_to_error = afs_abort_to_error,
.destructor = afs_cm_destructor,
.work = SRXAFSCB_InitCallBackState,
};
@@ -65,7 +63,6 @@ static CM_NAME(InitCallBackState3);
static const struct afs_call_type afs_SRXCBInitCallBackState3 = {
.name = afs_SRXCBInitCallBackState3_name,
.deliver = afs_deliver_cb_init_call_back_state3,
- .abort_to_error = afs_abort_to_error,
.destructor = afs_cm_destructor,
.work = SRXAFSCB_InitCallBackState,
};
@@ -77,7 +74,6 @@ static CM_NAME(Probe);
static const struct afs_call_type afs_SRXCBProbe = {
.name = afs_SRXCBProbe_name,
.deliver = afs_deliver_cb_probe,
- .abort_to_error = afs_abort_to_error,
.destructor = afs_cm_destructor,
.work = SRXAFSCB_Probe,
};
@@ -89,7 +85,6 @@ static CM_NAME(ProbeUuid);
static const struct afs_call_type afs_SRXCBProbeUuid = {
.name = afs_SRXCBProbeUuid_name,
.deliver = afs_deliver_cb_probe_uuid,
- .abort_to_error = afs_abort_to_error,
.destructor = afs_cm_destructor,
.work = SRXAFSCB_ProbeUuid,
};
@@ -101,7 +96,6 @@ static CM_NAME(TellMeAboutYourself);
static const struct afs_call_type afs_SRXCBTellMeAboutYourself = {
.name = afs_SRXCBTellMeAboutYourself_name,
.deliver = afs_deliver_cb_tell_me_about_yourself,
- .abort_to_error = afs_abort_to_error,
.destructor = afs_cm_destructor,
.work = SRXAFSCB_TellMeAboutYourself,
};
@@ -127,6 +121,9 @@ bool afs_cm_incoming_call(struct afs_call *call)
case CBProbe:
call->type = &afs_SRXCBProbe;
return true;
+ case CBProbeUuid:
+ call->type = &afs_SRXCBProbeUuid;
+ return true;
case CBTellMeAboutYourself:
call->type = &afs_SRXCBTellMeAboutYourself;
return true;
@@ -147,18 +144,16 @@ static void afs_cm_destructor(struct afs_call *call)
* afs_deliver_cb_callback().
*/
if (call->unmarshall == 5) {
- ASSERT(call->server && call->count && call->request);
- afs_break_callbacks(call->server, call->count, call->request);
+ ASSERT(call->cm_server && call->count && call->request);
+ afs_break_callbacks(call->cm_server, call->count, call->request);
}
- afs_put_server(call->server);
- call->server = NULL;
kfree(call->buffer);
call->buffer = NULL;
}
/*
- * allow the fileserver to see if the cache manager is still alive
+ * The server supplied a list of callbacks that it wanted to break.
*/
static void SRXAFSCB_CallBack(struct work_struct *work)
{
@@ -173,7 +168,7 @@ static void SRXAFSCB_CallBack(struct work_struct *work)
* yet */
afs_send_empty_reply(call);
- afs_break_callbacks(call->server, call->count, call->request);
+ afs_break_callbacks(call->cm_server, call->count, call->request);
afs_put_call(call);
_leave("");
}
@@ -193,7 +188,6 @@ static int afs_deliver_cb_callback(struct afs_call *call)
switch (call->unmarshall) {
case 0:
- rxrpc_kernel_get_peer(afs_socket, call->rxcall, &srx);
call->offset = 0;
call->unmarshall++;
@@ -286,14 +280,16 @@ static int afs_deliver_cb_callback(struct afs_call *call)
break;
}
- call->state = AFS_CALL_REPLYING;
+ if (!afs_check_call_state(call, AFS_CALL_SV_REPLYING))
+ return -EIO;
/* we'll need the file server record as that tells us which set of
* vnodes to operate upon */
- server = afs_find_server(&srx);
+ rxrpc_kernel_get_peer(call->net->socket, call->rxcall, &srx);
+ server = afs_find_server(call->net, &srx);
if (!server)
return -ENOTCONN;
- call->server = server;
+ call->cm_server = server;
return afs_queue_call_work(call);
}
@@ -305,9 +301,9 @@ static void SRXAFSCB_InitCallBackState(struct work_struct *work)
{
struct afs_call *call = container_of(work, struct afs_call, work);
- _enter("{%p}", call->server);
+ _enter("{%p}", call->cm_server);
- afs_init_callback_state(call->server);
+ afs_init_callback_state(call->cm_server);
afs_send_empty_reply(call);
afs_put_call(call);
_leave("");
@@ -324,21 +320,18 @@ static int afs_deliver_cb_init_call_back_state(struct afs_call *call)
_enter("");
- rxrpc_kernel_get_peer(afs_socket, call->rxcall, &srx);
+ rxrpc_kernel_get_peer(call->net->socket, call->rxcall, &srx);
ret = afs_extract_data(call, NULL, 0, false);
if (ret < 0)
return ret;
- /* no unmarshalling required */
- call->state = AFS_CALL_REPLYING;
-
/* we'll need the file server record as that tells us which set of
* vnodes to operate upon */
- server = afs_find_server(&srx);
+ server = afs_find_server(call->net, &srx);
if (!server)
return -ENOTCONN;
- call->server = server;
+ call->cm_server = server;
return afs_queue_call_work(call);
}
@@ -357,8 +350,6 @@ static int afs_deliver_cb_init_call_back_state3(struct afs_call *call)
_enter("");
- rxrpc_kernel_get_peer(afs_socket, call->rxcall, &srx);
-
_enter("{%u}", call->unmarshall);
switch (call->unmarshall) {
@@ -402,15 +393,16 @@ static int afs_deliver_cb_init_call_back_state3(struct afs_call *call)
break;
}
- /* no unmarshalling required */
- call->state = AFS_CALL_REPLYING;
+ if (!afs_check_call_state(call, AFS_CALL_SV_REPLYING))
+ return -EIO;
/* we'll need the file server record as that tells us which set of
* vnodes to operate upon */
- server = afs_find_server(&srx);
+ rxrpc_kernel_get_peer(call->net->socket, call->rxcall, &srx);
+ server = afs_find_server(call->net, &srx);
if (!server)
return -ENOTCONN;
- call->server = server;
+ call->cm_server = server;
return afs_queue_call_work(call);
}
@@ -441,8 +433,8 @@ static int afs_deliver_cb_probe(struct afs_call *call)
if (ret < 0)
return ret;
- /* no unmarshalling required */
- call->state = AFS_CALL_REPLYING;
+ if (!afs_check_call_state(call, AFS_CALL_SV_REPLYING))
+ return -EIO;
return afs_queue_call_work(call);
}
@@ -461,7 +453,7 @@ static void SRXAFSCB_ProbeUuid(struct work_struct *work)
_enter("");
- if (memcmp(r, &afs_uuid, sizeof(afs_uuid)) == 0)
+ if (memcmp(r, &call->net->uuid, sizeof(call->net->uuid)) == 0)
reply.match = htonl(0);
else
reply.match = htonl(1);
@@ -524,7 +516,8 @@ static int afs_deliver_cb_probe_uuid(struct afs_call *call)
break;
}
- call->state = AFS_CALL_REPLYING;
+ if (!afs_check_call_state(call, AFS_CALL_SV_REPLYING))
+ return -EIO;
return afs_queue_call_work(call);
}
@@ -568,13 +561,13 @@ static void SRXAFSCB_TellMeAboutYourself(struct work_struct *work)
memset(&reply, 0, sizeof(reply));
reply.ia.nifs = htonl(nifs);
- reply.ia.uuid[0] = afs_uuid.time_low;
- reply.ia.uuid[1] = htonl(ntohs(afs_uuid.time_mid));
- reply.ia.uuid[2] = htonl(ntohs(afs_uuid.time_hi_and_version));
- reply.ia.uuid[3] = htonl((s8) afs_uuid.clock_seq_hi_and_reserved);
- reply.ia.uuid[4] = htonl((s8) afs_uuid.clock_seq_low);
+ reply.ia.uuid[0] = call->net->uuid.time_low;
+ reply.ia.uuid[1] = htonl(ntohs(call->net->uuid.time_mid));
+ reply.ia.uuid[2] = htonl(ntohs(call->net->uuid.time_hi_and_version));
+ reply.ia.uuid[3] = htonl((s8) call->net->uuid.clock_seq_hi_and_reserved);
+ reply.ia.uuid[4] = htonl((s8) call->net->uuid.clock_seq_low);
for (loop = 0; loop < 6; loop++)
- reply.ia.uuid[loop + 5] = htonl((s8) afs_uuid.node[loop]);
+ reply.ia.uuid[loop + 5] = htonl((s8) call->net->uuid.node[loop]);
if (ifs) {
for (loop = 0; loop < nifs; loop++) {
@@ -605,8 +598,8 @@ static int afs_deliver_cb_tell_me_about_yourself(struct afs_call *call)
if (ret < 0)
return ret;
- /* no unmarshalling required */
- call->state = AFS_CALL_REPLYING;
+ if (!afs_check_call_state(call, AFS_CALL_SV_REPLYING))
+ return -EIO;
return afs_queue_call_work(call);
}
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