226 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			226 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM 9p
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#if !defined(_TRACE_9P_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_9P_H
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#include <linux/tracepoint.h>
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#define P9_MSG_T							\
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		EM( P9_TLERROR,		"P9_TLERROR" )			\
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		EM( P9_RLERROR,		"P9_RLERROR" )			\
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		EM( P9_TSTATFS,		"P9_TSTATFS" )			\
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		EM( P9_RSTATFS,		"P9_RSTATFS" )			\
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		EM( P9_TLOPEN,		"P9_TLOPEN" )			\
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		EM( P9_RLOPEN,		"P9_RLOPEN" )			\
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		EM( P9_TLCREATE,	"P9_TLCREATE" )			\
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		EM( P9_RLCREATE,	"P9_RLCREATE" )			\
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		EM( P9_TSYMLINK,	"P9_TSYMLINK" )			\
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		EM( P9_RSYMLINK,	"P9_RSYMLINK" )			\
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		EM( P9_TMKNOD,		"P9_TMKNOD" )			\
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		EM( P9_RMKNOD,		"P9_RMKNOD" )			\
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		EM( P9_TRENAME,		"P9_TRENAME" )			\
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		EM( P9_RRENAME,		"P9_RRENAME" )			\
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		EM( P9_TREADLINK,	"P9_TREADLINK" )		\
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		EM( P9_RREADLINK,	"P9_RREADLINK" )		\
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		EM( P9_TGETATTR,	"P9_TGETATTR" )			\
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		EM( P9_RGETATTR,	"P9_RGETATTR" )			\
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		EM( P9_TSETATTR,	"P9_TSETATTR" )			\
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		EM( P9_RSETATTR,	"P9_RSETATTR" )			\
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		EM( P9_TXATTRWALK,	"P9_TXATTRWALK" )		\
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		EM( P9_RXATTRWALK,	"P9_RXATTRWALK" )		\
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		EM( P9_TXATTRCREATE,	"P9_TXATTRCREATE" )		\
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		EM( P9_RXATTRCREATE,	"P9_RXATTRCREATE" )		\
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		EM( P9_TREADDIR,	"P9_TREADDIR" )			\
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		EM( P9_RREADDIR,	"P9_RREADDIR" )			\
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		EM( P9_TFSYNC,		"P9_TFSYNC" )			\
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		EM( P9_RFSYNC,		"P9_RFSYNC" )			\
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		EM( P9_TLOCK,		"P9_TLOCK" )			\
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		EM( P9_RLOCK,		"P9_RLOCK" )			\
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		EM( P9_TGETLOCK,	"P9_TGETLOCK" )			\
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		EM( P9_RGETLOCK,	"P9_RGETLOCK" )			\
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		EM( P9_TLINK,		"P9_TLINK" )			\
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		EM( P9_RLINK,		"P9_RLINK" )			\
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		EM( P9_TMKDIR,		"P9_TMKDIR" )			\
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		EM( P9_RMKDIR,		"P9_RMKDIR" )			\
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		EM( P9_TRENAMEAT,	"P9_TRENAMEAT" )		\
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		EM( P9_RRENAMEAT,	"P9_RRENAMEAT" )		\
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		EM( P9_TUNLINKAT,	"P9_TUNLINKAT" )		\
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		EM( P9_RUNLINKAT,	"P9_RUNLINKAT" )		\
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		EM( P9_TVERSION,	"P9_TVERSION" )			\
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		EM( P9_RVERSION,	"P9_RVERSION" )			\
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		EM( P9_TAUTH,		"P9_TAUTH" )			\
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		EM( P9_RAUTH,		"P9_RAUTH" )			\
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		EM( P9_TATTACH,		"P9_TATTACH" )			\
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		EM( P9_RATTACH,		"P9_RATTACH" )			\
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		EM( P9_TERROR,		"P9_TERROR" )			\
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		EM( P9_RERROR,		"P9_RERROR" )			\
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		EM( P9_TFLUSH,		"P9_TFLUSH" )			\
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		EM( P9_RFLUSH,		"P9_RFLUSH" )			\
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		EM( P9_TWALK,		"P9_TWALK" )			\
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		EM( P9_RWALK,		"P9_RWALK" )			\
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		EM( P9_TOPEN,		"P9_TOPEN" )			\
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		EM( P9_ROPEN,		"P9_ROPEN" )			\
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		EM( P9_TCREATE,		"P9_TCREATE" )			\
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		EM( P9_RCREATE,		"P9_RCREATE" )			\
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		EM( P9_TREAD,		"P9_TREAD" )			\
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		EM( P9_RREAD,		"P9_RREAD" )			\
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		EM( P9_TWRITE,		"P9_TWRITE" )			\
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		EM( P9_RWRITE,		"P9_RWRITE" )			\
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		EM( P9_TCLUNK,		"P9_TCLUNK" )			\
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		EM( P9_RCLUNK,		"P9_RCLUNK" )			\
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		EM( P9_TREMOVE,		"P9_TREMOVE" )			\
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		EM( P9_RREMOVE,		"P9_RREMOVE" )			\
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		EM( P9_TSTAT,		"P9_TSTAT" )			\
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		EM( P9_RSTAT,		"P9_RSTAT" )			\
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		EM( P9_TWSTAT,		"P9_TWSTAT" )			\
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		EMe(P9_RWSTAT,		"P9_RWSTAT" )
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#define P9_FID_REFTYPE							\
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		EM( P9_FID_REF_CREATE,	"create " )			\
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		EM( P9_FID_REF_GET,	"get    " )			\
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		EM( P9_FID_REF_PUT,	"put    " )			\
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		EMe(P9_FID_REF_DESTROY,	"destroy" )
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/* Define EM() to export the enums to userspace via TRACE_DEFINE_ENUM() */
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#undef EM
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#undef EMe
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#define EM(a, b)	TRACE_DEFINE_ENUM(a);
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#define EMe(a, b)	TRACE_DEFINE_ENUM(a);
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P9_MSG_T
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P9_FID_REFTYPE
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/* And also use EM/EMe to define helper enums -- once */
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#ifndef __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE
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#define __9P_DECLARE_TRACE_ENUMS_ONLY_ONCE
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#undef EM
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#undef EMe
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#define EM(a, b)	a,
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#define EMe(a, b)	a
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enum p9_fid_reftype {
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	P9_FID_REFTYPE
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} __mode(byte);
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#endif
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/*
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 * Now redefine the EM() and EMe() macros to map the enums to the strings
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 * that will be printed in the output.
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 */
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#undef EM
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#undef EMe
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#define EM(a, b)	{ a, b },
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#define EMe(a, b)	{ a, b }
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#define show_9p_op(type)						\
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	__print_symbolic(type, P9_MSG_T)
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#define show_9p_fid_reftype(type)					\
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	__print_symbolic(type, P9_FID_REFTYPE)
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TRACE_EVENT(9p_client_req,
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	    TP_PROTO(struct p9_client *clnt, int8_t type, int tag),
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	    TP_ARGS(clnt, type, tag),
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	    TP_STRUCT__entry(
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		    __field(    void *,		clnt			     )
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		    __field(	__u8,		type			     )
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		    __field(	__u32,		tag			     )
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		    ),
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	    TP_fast_assign(
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		    __entry->clnt    =  clnt;
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		    __entry->type    =  type;
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		    __entry->tag     =  tag;
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		    ),
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	    TP_printk("client %lu request %s tag  %d",
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		    (long)__entry->clnt, show_9p_op(__entry->type),
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		    __entry->tag)
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 );
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TRACE_EVENT(9p_client_res,
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	    TP_PROTO(struct p9_client *clnt, int8_t type, int tag, int err),
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	    TP_ARGS(clnt, type, tag, err),
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	    TP_STRUCT__entry(
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		    __field(    void *,		clnt			     )
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		    __field(	__u8,		type			     )
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		    __field(	__u32,		tag			     )
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		    __field(	__u32,		err			     )
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		    ),
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	    TP_fast_assign(
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		    __entry->clnt    =  clnt;
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		    __entry->type    =  type;
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		    __entry->tag     =  tag;
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		    __entry->err     =  err;
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		    ),
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	    TP_printk("client %lu response %s tag  %d err %d",
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		      (long)__entry->clnt, show_9p_op(__entry->type),
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		      __entry->tag, __entry->err)
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);
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/* dump 32 bytes of protocol data */
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#define P9_PROTO_DUMP_SZ 32
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TRACE_EVENT(9p_protocol_dump,
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	    TP_PROTO(struct p9_client *clnt, struct p9_fcall *pdu),
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	    TP_ARGS(clnt, pdu),
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	    TP_STRUCT__entry(
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		    __field(	void *,		clnt				)
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		    __field(	__u8,		type				)
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		    __field(	__u16,		tag				)
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		    __dynamic_array(unsigned char, line,
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				min_t(size_t, pdu->capacity, P9_PROTO_DUMP_SZ))
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		    ),
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	    TP_fast_assign(
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		    __entry->clnt   =  clnt;
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		    __entry->type   =  pdu->id;
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		    __entry->tag    =  pdu->tag;
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		    memcpy(__get_dynamic_array(line), pdu->sdata,
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				__get_dynamic_array_len(line));
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		    ),
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	    TP_printk("clnt %lu %s(tag = %d)\n%*ph\n",
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		      (unsigned long)__entry->clnt, show_9p_op(__entry->type),
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		      __entry->tag, __get_dynamic_array_len(line),
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		      __get_dynamic_array(line))
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 );
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TRACE_EVENT(9p_fid_ref,
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	    TP_PROTO(struct p9_fid *fid, __u8 type),
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	    TP_ARGS(fid, type),
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	    TP_STRUCT__entry(
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		    __field(	int,	fid		)
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		    __field(	int,	refcount	)
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		    __field(	__u8, type	)
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		    ),
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	    TP_fast_assign(
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		    __entry->fid = fid->fid;
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		    __entry->refcount = refcount_read(&fid->count);
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		    __entry->type = type;
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		    ),
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	    TP_printk("%s fid %d, refcount %d",
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		      show_9p_fid_reftype(__entry->type),
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		      __entry->fid, __entry->refcount)
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);
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#endif /* _TRACE_9P_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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