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SUNRPC: Simplify TCP receive code by switching to using iterators

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Most of this code should also be reusable with other socket types.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2018-09-14 09:49:06 -04:00
parent 9d96acbc7f
commit 277e4ab7d5
3 changed files with 338 additions and 393 deletions
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15
include/trace/events/sunrpc.h
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@@ -497,16 +497,6 @@ TRACE_EVENT(xs_tcp_data_ready,
__get_str(port), __entry->err, __entry->total)
);
#define rpc_show_sock_xprt_flags(flags) \
__print_flags(flags, "|", \
{ TCP_RCV_LAST_FRAG, "TCP_RCV_LAST_FRAG" }, \
{ TCP_RCV_COPY_FRAGHDR, "TCP_RCV_COPY_FRAGHDR" }, \
{ TCP_RCV_COPY_XID, "TCP_RCV_COPY_XID" }, \
{ TCP_RCV_COPY_DATA, "TCP_RCV_COPY_DATA" }, \
{ TCP_RCV_READ_CALLDIR, "TCP_RCV_READ_CALLDIR" }, \
{ TCP_RCV_COPY_CALLDIR, "TCP_RCV_COPY_CALLDIR" }, \
{ TCP_RPC_REPLY, "TCP_RPC_REPLY" })
TRACE_EVENT(xs_tcp_data_recv,
TP_PROTO(struct sock_xprt *xs),
@@ -516,7 +506,6 @@ TRACE_EVENT(xs_tcp_data_recv,
__string(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR])
__string(port, xs->xprt.address_strings[RPC_DISPLAY_PORT])
__field(u32, xid)
__field(unsigned long, flags)
__field(unsigned long, copied)
__field(unsigned int, reclen)
__field(unsigned long, offset)
@@ -526,15 +515,13 @@ TRACE_EVENT(xs_tcp_data_recv,
__assign_str(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xs->xprt.address_strings[RPC_DISPLAY_PORT]);
__entry->xid = be32_to_cpu(xs->recv.xid);
__entry->flags = xs->recv.flags;
__entry->copied = xs->recv.copied;
__entry->reclen = xs->recv.len;
__entry->offset = xs->recv.offset;
),
TP_printk("peer=[%s]:%s xid=0x%08x flags=%s copied=%lu reclen=%u offset=%lu",
TP_printk("peer=[%s]:%s xid=0x%08x copied=%lu reclen=%u offset=%lu",
__get_str(addr), __get_str(port), __entry->xid,
rpc_show_sock_xprt_flags(__entry->flags),
__entry->copied, __entry->reclen, __entry->offset)
);