include/trace/events/netfs.h - pub/scm/linux/kernel/git/mcgrof/linux-next - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /* Network filesystem support module tracepoints
  *
  * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM netfs

 #if !defined(_TRACE_NETFS_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_NETFS_H

 #include <linux/tracepoint.h>

 /*
  * Define enums for tracing information.
  */
 #define netfs_read_traces					\
 	EM(netfs_read_trace_expanded,		"EXPANDED ")	\
 	EM(netfs_read_trace_readahead,		"READAHEAD")	\
 	EM(netfs_read_trace_readpage,		"READPAGE ")	\
 	E_(netfs_read_trace_write_begin,	"WRITEBEGN")

 #define netfs_rreq_origins					\
 	EM(NETFS_READAHEAD,			"RA")		\
 	EM(NETFS_READPAGE,			"RP")		\
 	E_(NETFS_READ_FOR_WRITE,		"RW")

 #define netfs_rreq_traces					\
 	EM(netfs_rreq_trace_assess,		"ASSESS ")	\
 	EM(netfs_rreq_trace_copy,		"COPY   ")	\
 	EM(netfs_rreq_trace_done,		"DONE   ")	\
 	EM(netfs_rreq_trace_free,		"FREE   ")	\
 	EM(netfs_rreq_trace_resubmit,		"RESUBMT")	\
 	EM(netfs_rreq_trace_unlock,		"UNLOCK ")	\
 	E_(netfs_rreq_trace_unmark,		"UNMARK ")

 #define netfs_sreq_sources					\
 	EM(NETFS_FILL_WITH_ZEROES,		"ZERO")		\
 	EM(NETFS_DOWNLOAD_FROM_SERVER,		"DOWN")		\
 	EM(NETFS_READ_FROM_CACHE,		"READ")		\
 	E_(NETFS_INVALID_READ,			"INVL")		\

 #define netfs_sreq_traces					\
 	EM(netfs_sreq_trace_download_instead,	"RDOWN")	\
 	EM(netfs_sreq_trace_free,		"FREE ")	\
 	EM(netfs_sreq_trace_prepare,		"PREP ")	\
 	EM(netfs_sreq_trace_resubmit_short,	"SHORT")	\
 	EM(netfs_sreq_trace_submit,		"SUBMT")	\
 	EM(netfs_sreq_trace_terminated,		"TERM ")	\
 	EM(netfs_sreq_trace_write,		"WRITE")	\
 	EM(netfs_sreq_trace_write_skip,		"SKIP ")	\
 	E_(netfs_sreq_trace_write_term,		"WTERM")

 #define netfs_failures							\
 	EM(netfs_fail_check_write_begin,	"check-write-begin")	\
 	EM(netfs_fail_copy_to_cache,		"copy-to-cache")	\
 	EM(netfs_fail_read,			"read")			\
 	EM(netfs_fail_short_read,		"short-read")		\
 	E_(netfs_fail_prepare_write,		"prep-write")

 #define netfs_rreq_ref_traces					\
 	EM(netfs_rreq_trace_get_hold,		"GET HOLD   ")	\
 	EM(netfs_rreq_trace_get_subreq,		"GET SUBREQ ")	\
 	EM(netfs_rreq_trace_put_complete,	"PUT COMPLT ")	\
 	EM(netfs_rreq_trace_put_discard,	"PUT DISCARD")	\
 	EM(netfs_rreq_trace_put_failed,		"PUT FAILED ")	\
 	EM(netfs_rreq_trace_put_hold,		"PUT HOLD   ")	\
 	EM(netfs_rreq_trace_put_subreq,		"PUT SUBREQ ")	\
 	EM(netfs_rreq_trace_put_zero_len,	"PUT ZEROLEN")	\
 	E_(netfs_rreq_trace_new,		"NEW        ")

 #define netfs_sreq_ref_traces					\
 	EM(netfs_sreq_trace_get_copy_to_cache,	"GET COPY2C ")	\
 	EM(netfs_sreq_trace_get_resubmit,	"GET RESUBMIT")	\
 	EM(netfs_sreq_trace_get_short_read,	"GET SHORTRD")	\
 	EM(netfs_sreq_trace_new,		"NEW        ")	\
 	EM(netfs_sreq_trace_put_clear,		"PUT CLEAR  ")	\
 	EM(netfs_sreq_trace_put_failed,		"PUT FAILED ")	\
 	EM(netfs_sreq_trace_put_merged,		"PUT MERGED ")	\
 	EM(netfs_sreq_trace_put_no_copy,	"PUT NO COPY")	\
 	E_(netfs_sreq_trace_put_terminated,	"PUT TERM   ")

 #ifndef __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
 #define __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY

 #undef EM
 #undef E_
 #define EM(a, b) a,
 #define E_(a, b) a

 enum netfs_read_trace { netfs_read_traces } __mode(byte);
 enum netfs_rreq_trace { netfs_rreq_traces } __mode(byte);
 enum netfs_sreq_trace { netfs_sreq_traces } __mode(byte);
 enum netfs_failure { netfs_failures } __mode(byte);
 enum netfs_rreq_ref_trace { netfs_rreq_ref_traces } __mode(byte);
 enum netfs_sreq_ref_trace { netfs_sreq_ref_traces } __mode(byte);

 #endif

 /*
  * Export enum symbols via userspace.
  */
 #undef EM
 #undef E_
 #define EM(a, b) TRACE_DEFINE_ENUM(a);
 #define E_(a, b) TRACE_DEFINE_ENUM(a);

 netfs_read_traces;
 netfs_rreq_origins;
 netfs_rreq_traces;
 netfs_sreq_sources;
 netfs_sreq_traces;
 netfs_failures;
 netfs_rreq_ref_traces;
 netfs_sreq_ref_traces;

 /*
  * Now redefine the EM() and E_() macros to map the enums to the strings that
  * will be printed in the output.
  */
 #undef EM
 #undef E_
 #define EM(a, b)	{ a, b },
 #define E_(a, b)	{ a, b }

 TRACE_EVENT(netfs_read,
 	    TP_PROTO(struct netfs_io_request *rreq,
 		     loff_t start, size_t len,
 		     enum netfs_read_trace what),

 	    TP_ARGS(rreq, start, len, what),

 	    TP_STRUCT__entry(
 		    __field(unsigned int,		rreq		)
 		    __field(unsigned int,		cookie		)
 		    __field(loff_t,			start		)
 		    __field(size_t,			len		)
 		    __field(enum netfs_read_trace,	what		)
 		    __field(unsigned int,		netfs_inode	)
 			     ),

 	    TP_fast_assign(
 		    __entry->rreq	= rreq->debug_id;
 		    __entry->cookie	= rreq->cache_resources.debug_id;
 		    __entry->start	= start;
 		    __entry->len	= len;
 		    __entry->what	= what;
 		    __entry->netfs_inode = rreq->inode->i_ino;
 			   ),

 	    TP_printk("R=%08x %s c=%08x ni=%x s=%llx %zx",
 		      __entry->rreq,
 		      __print_symbolic(__entry->what, netfs_read_traces),
 		      __entry->cookie,
 		      __entry->netfs_inode,
 		      __entry->start, __entry->len)
 	    );

 TRACE_EVENT(netfs_rreq,
 	    TP_PROTO(struct netfs_io_request *rreq,
 		     enum netfs_rreq_trace what),

 	    TP_ARGS(rreq, what),

 	    TP_STRUCT__entry(
 		    __field(unsigned int,		rreq		)
 		    __field(unsigned int,		flags		)
 		    __field(enum netfs_io_origin,	origin		)
 		    __field(enum netfs_rreq_trace,	what		)
 			     ),

 	    TP_fast_assign(
 		    __entry->rreq	= rreq->debug_id;
 		    __entry->flags	= rreq->flags;
 		    __entry->origin	= rreq->origin;
 		    __entry->what	= what;
 			   ),

 	    TP_printk("R=%08x %s %s f=%02x",
 		      __entry->rreq,
 		      __print_symbolic(__entry->origin, netfs_rreq_origins),
 		      __print_symbolic(__entry->what, netfs_rreq_traces),
 		      __entry->flags)
 	    );

 TRACE_EVENT(netfs_sreq,
 	    TP_PROTO(struct netfs_io_subrequest *sreq,
 		     enum netfs_sreq_trace what),

 	    TP_ARGS(sreq, what),

 	    TP_STRUCT__entry(
 		    __field(unsigned int,		rreq		)
 		    __field(unsigned short,		index		)
 		    __field(short,			error		)
 		    __field(unsigned short,		flags		)
 		    __field(enum netfs_io_source,	source		)
 		    __field(enum netfs_sreq_trace,	what		)
 		    __field(size_t,			len		)
 		    __field(size_t,			transferred	)
 		    __field(loff_t,			start		)
 			     ),

 	    TP_fast_assign(
 		    __entry->rreq	= sreq->rreq->debug_id;
 		    __entry->index	= sreq->debug_index;
 		    __entry->error	= sreq->error;
 		    __entry->flags	= sreq->flags;
 		    __entry->source	= sreq->source;
 		    __entry->what	= what;
 		    __entry->len	= sreq->len;
 		    __entry->transferred = sreq->transferred;
 		    __entry->start	= sreq->start;
 			   ),

 	    TP_printk("R=%08x[%u] %s %s f=%02x s=%llx %zx/%zx e=%d",
 		      __entry->rreq, __entry->index,
 		      __print_symbolic(__entry->source, netfs_sreq_sources),
 		      __print_symbolic(__entry->what, netfs_sreq_traces),
 		      __entry->flags,
 		      __entry->start, __entry->transferred, __entry->len,
 		      __entry->error)
 	    );

 TRACE_EVENT(netfs_failure,
 	    TP_PROTO(struct netfs_io_request *rreq,
 		     struct netfs_io_subrequest *sreq,
 		     int error, enum netfs_failure what),

 	    TP_ARGS(rreq, sreq, error, what),

 	    TP_STRUCT__entry(
 		    __field(unsigned int,		rreq		)
 		    __field(short,			index		)
 		    __field(short,			error		)
 		    __field(unsigned short,		flags		)
 		    __field(enum netfs_io_source,	source		)
 		    __field(enum netfs_failure,		what		)
 		    __field(size_t,			len		)
 		    __field(size_t,			transferred	)
 		    __field(loff_t,			start		)
 			     ),

 	    TP_fast_assign(
 		    __entry->rreq	= rreq->debug_id;
 		    __entry->index	= sreq ? sreq->debug_index : -1;
 		    __entry->error	= error;
 		    __entry->flags	= sreq ? sreq->flags : 0;
 		    __entry->source	= sreq ? sreq->source : NETFS_INVALID_READ;
 		    __entry->what	= what;
 		    __entry->len	= sreq ? sreq->len : rreq->len;
 		    __entry->transferred = sreq ? sreq->transferred : 0;
 		    __entry->start	= sreq ? sreq->start : 0;
 			   ),

 	    TP_printk("R=%08x[%d] %s f=%02x s=%llx %zx/%zx %s e=%d",
 		      __entry->rreq, __entry->index,
 		      __print_symbolic(__entry->source, netfs_sreq_sources),
 		      __entry->flags,
 		      __entry->start, __entry->transferred, __entry->len,
 		      __print_symbolic(__entry->what, netfs_failures),
 		      __entry->error)
 	    );

 TRACE_EVENT(netfs_rreq_ref,
 	    TP_PROTO(unsigned int rreq_debug_id, int ref,
 		     enum netfs_rreq_ref_trace what),

 	    TP_ARGS(rreq_debug_id, ref, what),

 	    TP_STRUCT__entry(
 		    __field(unsigned int,		rreq		)
 		    __field(int,			ref		)
 		    __field(enum netfs_rreq_ref_trace,	what		)
 			     ),

 	    TP_fast_assign(
 		    __entry->rreq	= rreq_debug_id;
 		    __entry->ref	= ref;
 		    __entry->what	= what;
 			   ),

 	    TP_printk("R=%08x %s r=%u",
 		      __entry->rreq,
 		      __print_symbolic(__entry->what, netfs_rreq_ref_traces),
 		      __entry->ref)
 	    );

 TRACE_EVENT(netfs_sreq_ref,
 	    TP_PROTO(unsigned int rreq_debug_id, unsigned int subreq_debug_index,
 		     int ref, enum netfs_sreq_ref_trace what),

 	    TP_ARGS(rreq_debug_id, subreq_debug_index, ref, what),

 	    TP_STRUCT__entry(
 		    __field(unsigned int,		rreq		)
 		    __field(unsigned int,		subreq		)
 		    __field(int,			ref		)
 		    __field(enum netfs_sreq_ref_trace,	what		)
 			     ),

 	    TP_fast_assign(
 		    __entry->rreq	= rreq_debug_id;
 		    __entry->subreq	= subreq_debug_index;
 		    __entry->ref	= ref;
 		    __entry->what	= what;
 			   ),

 	    TP_printk("R=%08x[%x] %s r=%u",
 		      __entry->rreq,
 		      __entry->subreq,
 		      __print_symbolic(__entry->what, netfs_sreq_ref_traces),
 		      __entry->ref)
 	    );

 #undef EM
 #undef E_
 #endif /* _TRACE_NETFS_H */

 /* This part must be outside protection */
 #include <trace/define_trace.h>
	/* SPDX-License-Identifier: GPL-2.0-or-later */
	/* Network filesystem support module tracepoints
	*
	* Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
	* Written by David Howells (dhowells@redhat.com)
	*/
	#undef TRACE_SYSTEM
	#define TRACE_SYSTEM netfs

	#if !defined(_TRACE_NETFS_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	#define _TRACE_NETFS_H

	#include <linux/tracepoint.h>

	/*
	* Define enums for tracing information.
	*/
	#define netfs_read_traces \
	EM(netfs_read_trace_expanded, "EXPANDED ") \
	EM(netfs_read_trace_readahead, "READAHEAD") \
	EM(netfs_read_trace_readpage, "READPAGE ") \
	E_(netfs_read_trace_write_begin, "WRITEBEGN")

	#define netfs_rreq_origins \
	EM(NETFS_READAHEAD, "RA") \
	EM(NETFS_READPAGE, "RP") \
	E_(NETFS_READ_FOR_WRITE, "RW")

	#define netfs_rreq_traces \
	EM(netfs_rreq_trace_assess, "ASSESS ") \
	EM(netfs_rreq_trace_copy, "COPY ") \
	EM(netfs_rreq_trace_done, "DONE ") \
	EM(netfs_rreq_trace_free, "FREE ") \
	EM(netfs_rreq_trace_resubmit, "RESUBMT") \
	EM(netfs_rreq_trace_unlock, "UNLOCK ") \
	E_(netfs_rreq_trace_unmark, "UNMARK ")

	#define netfs_sreq_sources \
	EM(NETFS_FILL_WITH_ZEROES, "ZERO") \
	EM(NETFS_DOWNLOAD_FROM_SERVER, "DOWN") \
	EM(NETFS_READ_FROM_CACHE, "READ") \
	E_(NETFS_INVALID_READ, "INVL") \

	#define netfs_sreq_traces \
	EM(netfs_sreq_trace_download_instead, "RDOWN") \
	EM(netfs_sreq_trace_free, "FREE ") \
	EM(netfs_sreq_trace_prepare, "PREP ") \
	EM(netfs_sreq_trace_resubmit_short, "SHORT") \
	EM(netfs_sreq_trace_submit, "SUBMT") \
	EM(netfs_sreq_trace_terminated, "TERM ") \
	EM(netfs_sreq_trace_write, "WRITE") \
	EM(netfs_sreq_trace_write_skip, "SKIP ") \
	E_(netfs_sreq_trace_write_term, "WTERM")

	#define netfs_failures \
	EM(netfs_fail_check_write_begin, "check-write-begin") \
	EM(netfs_fail_copy_to_cache, "copy-to-cache") \
	EM(netfs_fail_read, "read") \
	EM(netfs_fail_short_read, "short-read") \
	E_(netfs_fail_prepare_write, "prep-write")

	#define netfs_rreq_ref_traces \
	EM(netfs_rreq_trace_get_hold, "GET HOLD ") \
	EM(netfs_rreq_trace_get_subreq, "GET SUBREQ ") \
	EM(netfs_rreq_trace_put_complete, "PUT COMPLT ") \
	EM(netfs_rreq_trace_put_discard, "PUT DISCARD") \
	EM(netfs_rreq_trace_put_failed, "PUT FAILED ") \
	EM(netfs_rreq_trace_put_hold, "PUT HOLD ") \
	EM(netfs_rreq_trace_put_subreq, "PUT SUBREQ ") \
	EM(netfs_rreq_trace_put_zero_len, "PUT ZEROLEN") \
	E_(netfs_rreq_trace_new, "NEW ")

	#define netfs_sreq_ref_traces \
	EM(netfs_sreq_trace_get_copy_to_cache, "GET COPY2C ") \
	EM(netfs_sreq_trace_get_resubmit, "GET RESUBMIT") \
	EM(netfs_sreq_trace_get_short_read, "GET SHORTRD") \
	EM(netfs_sreq_trace_new, "NEW ") \
	EM(netfs_sreq_trace_put_clear, "PUT CLEAR ") \
	EM(netfs_sreq_trace_put_failed, "PUT FAILED ") \
	EM(netfs_sreq_trace_put_merged, "PUT MERGED ") \
	EM(netfs_sreq_trace_put_no_copy, "PUT NO COPY") \
	E_(netfs_sreq_trace_put_terminated, "PUT TERM ")

	#ifndef __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
	#define __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY

	#undef EM
	#undef E_
	#define EM(a, b) a,
	#define E_(a, b) a

	enum netfs_read_trace { netfs_read_traces } __mode(byte);
	enum netfs_rreq_trace { netfs_rreq_traces } __mode(byte);
	enum netfs_sreq_trace { netfs_sreq_traces } __mode(byte);
	enum netfs_failure { netfs_failures } __mode(byte);
	enum netfs_rreq_ref_trace { netfs_rreq_ref_traces } __mode(byte);
	enum netfs_sreq_ref_trace { netfs_sreq_ref_traces } __mode(byte);

	#endif

	/*
	* Export enum symbols via userspace.
	*/
	#undef EM
	#undef E_
	#define EM(a, b) TRACE_DEFINE_ENUM(a);
	#define E_(a, b) TRACE_DEFINE_ENUM(a);

	netfs_read_traces;
	netfs_rreq_origins;
	netfs_rreq_traces;
	netfs_sreq_sources;
	netfs_sreq_traces;
	netfs_failures;
	netfs_rreq_ref_traces;
	netfs_sreq_ref_traces;

	/*
	* Now redefine the EM() and E_() macros to map the enums to the strings that
	* will be printed in the output.
	*/
	#undef EM
	#undef E_
	#define EM(a, b) { a, b },
	#define E_(a, b) { a, b }

	TRACE_EVENT(netfs_read,
	TP_PROTO(struct netfs_io_request *rreq,
	loff_t start, size_t len,
	enum netfs_read_trace what),

	TP_ARGS(rreq, start, len, what),

	TP_STRUCT__entry(
	__field(unsigned int, rreq )
	__field(unsigned int, cookie )
	__field(loff_t, start )
	__field(size_t, len )
	__field(enum netfs_read_trace, what )
	__field(unsigned int, netfs_inode )
	),

	TP_fast_assign(
	__entry->rreq = rreq->debug_id;
	__entry->cookie = rreq->cache_resources.debug_id;
	__entry->start = start;
	__entry->len = len;
	__entry->what = what;
	__entry->netfs_inode = rreq->inode->i_ino;
	),

	TP_printk("R=%08x %s c=%08x ni=%x s=%llx %zx",
	__entry->rreq,
	__print_symbolic(__entry->what, netfs_read_traces),
	__entry->cookie,
	__entry->netfs_inode,
	__entry->start, __entry->len)
	);

	TRACE_EVENT(netfs_rreq,
	TP_PROTO(struct netfs_io_request *rreq,
	enum netfs_rreq_trace what),

	TP_ARGS(rreq, what),

	TP_STRUCT__entry(
	__field(unsigned int, rreq )
	__field(unsigned int, flags )
	__field(enum netfs_io_origin, origin )
	__field(enum netfs_rreq_trace, what )
	),

	TP_fast_assign(
	__entry->rreq = rreq->debug_id;
	__entry->flags = rreq->flags;
	__entry->origin = rreq->origin;
	__entry->what = what;
	),

	TP_printk("R=%08x %s %s f=%02x",
	__entry->rreq,
	__print_symbolic(__entry->origin, netfs_rreq_origins),
	__print_symbolic(__entry->what, netfs_rreq_traces),
	__entry->flags)
	);

	TRACE_EVENT(netfs_sreq,
	TP_PROTO(struct netfs_io_subrequest *sreq,
	enum netfs_sreq_trace what),

	TP_ARGS(sreq, what),

	TP_STRUCT__entry(
	__field(unsigned int, rreq )
	__field(unsigned short, index )
	__field(short, error )
	__field(unsigned short, flags )
	__field(enum netfs_io_source, source )
	__field(enum netfs_sreq_trace, what )
	__field(size_t, len )
	__field(size_t, transferred )
	__field(loff_t, start )
	),

	TP_fast_assign(
	__entry->rreq = sreq->rreq->debug_id;
	__entry->index = sreq->debug_index;
	__entry->error = sreq->error;
	__entry->flags = sreq->flags;
	__entry->source = sreq->source;
	__entry->what = what;
	__entry->len = sreq->len;
	__entry->transferred = sreq->transferred;
	__entry->start = sreq->start;
	),

	TP_printk("R=%08x[%u] %s %s f=%02x s=%llx %zx/%zx e=%d",
	__entry->rreq, __entry->index,
	__print_symbolic(__entry->source, netfs_sreq_sources),
	__print_symbolic(__entry->what, netfs_sreq_traces),
	__entry->flags,
	__entry->start, __entry->transferred, __entry->len,
	__entry->error)
	);

	TRACE_EVENT(netfs_failure,
	TP_PROTO(struct netfs_io_request *rreq,
	struct netfs_io_subrequest *sreq,
	int error, enum netfs_failure what),

	TP_ARGS(rreq, sreq, error, what),

	TP_STRUCT__entry(
	__field(unsigned int, rreq )
	__field(short, index )
	__field(short, error )
	__field(unsigned short, flags )
	__field(enum netfs_io_source, source )
	__field(enum netfs_failure, what )
	__field(size_t, len )
	__field(size_t, transferred )
	__field(loff_t, start )
	),

	TP_fast_assign(
	__entry->rreq = rreq->debug_id;
	__entry->index = sreq ? sreq->debug_index : -1;
	__entry->error = error;
	__entry->flags = sreq ? sreq->flags : 0;
	__entry->source = sreq ? sreq->source : NETFS_INVALID_READ;
	__entry->what = what;
	__entry->len = sreq ? sreq->len : rreq->len;
	__entry->transferred = sreq ? sreq->transferred : 0;
	__entry->start = sreq ? sreq->start : 0;
	),

	TP_printk("R=%08x[%d] %s f=%02x s=%llx %zx/%zx %s e=%d",
	__entry->rreq, __entry->index,
	__print_symbolic(__entry->source, netfs_sreq_sources),
	__entry->flags,
	__entry->start, __entry->transferred, __entry->len,
	__print_symbolic(__entry->what, netfs_failures),
	__entry->error)
	);

	TRACE_EVENT(netfs_rreq_ref,
	TP_PROTO(unsigned int rreq_debug_id, int ref,
	enum netfs_rreq_ref_trace what),

	TP_ARGS(rreq_debug_id, ref, what),

	TP_STRUCT__entry(
	__field(unsigned int, rreq )
	__field(int, ref )
	__field(enum netfs_rreq_ref_trace, what )
	),

	TP_fast_assign(
	__entry->rreq = rreq_debug_id;
	__entry->ref = ref;
	__entry->what = what;
	),

	TP_printk("R=%08x %s r=%u",
	__entry->rreq,
	__print_symbolic(__entry->what, netfs_rreq_ref_traces),
	__entry->ref)
	);

	TRACE_EVENT(netfs_sreq_ref,
	TP_PROTO(unsigned int rreq_debug_id, unsigned int subreq_debug_index,
	int ref, enum netfs_sreq_ref_trace what),

	TP_ARGS(rreq_debug_id, subreq_debug_index, ref, what),

	TP_STRUCT__entry(
	__field(unsigned int, rreq )
	__field(unsigned int, subreq )
	__field(int, ref )
	__field(enum netfs_sreq_ref_trace, what )
	),

	TP_fast_assign(
	__entry->rreq = rreq_debug_id;
	__entry->subreq = subreq_debug_index;
	__entry->ref = ref;
	__entry->what = what;
	),

	TP_printk("R=%08x[%x] %s r=%u",
	__entry->rreq,
	__entry->subreq,
	__print_symbolic(__entry->what, netfs_sreq_ref_traces),
	__entry->ref)
	);

	#undef EM
	#undef E_
	#endif /* _TRACE_NETFS_H */

	/* This part must be outside protection */
	#include <trace/define_trace.h>