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rxrpc: Add tracepoint for working out where aborts happen

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Add a tracepoint for working out where local aborts happen.  Each
tracepoint call is labelled with a 3-letter code so that they can be
distinguished - and the DATA sequence number is added too where available.

rxrpc_kernel_abort_call() also takes a 3-letter code so that AFS can
indicate the circumstances when it aborts a call.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2016-09-06 22:19:51 +01:00
parent e8d6bbb05a
commit 5a42976d4f
11 changed files with 132 additions and 98 deletions
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3
include/net/af_rxrpc.h
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@ -35,7 +35,8 @@ int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
struct msghdr *, size_t);
int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
void *, size_t, size_t *, bool, u32 *);
void rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, u32);
void rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
u32, int, const char *);
void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, unsigned long,
rxrpc_notify_rx_t);