text: /* SPDX-License-Identifier: GPL-2.0 */
  /*
   * Copyright (c) 2014 Christoph Hellwig.
   */
  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM nfsd
  
  #if !defined(_NFSD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _NFSD_TRACE_H
  
  #include <linux/tracepoint.h>
  #include "export.h"
  #include "nfsfh.h"
  
  TRACE_EVENT(nfsd_compound,
  	TP_PROTO(const struct svc_rqst *rqst,
  		 u32 args_opcnt),
  	TP_ARGS(rqst, args_opcnt),
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(u32, args_opcnt)
  	),
  	TP_fast_assign(
  		__entry->xid = be32_to_cpu(rqst->rq_xid);
  		__entry->args_opcnt = args_opcnt;
  	),
  	TP_printk("xid=0x%08x opcnt=%u",
  		__entry->xid, __entry->args_opcnt)
  )
  
  TRACE_EVENT(nfsd_compound_status,
  	TP_PROTO(u32 args_opcnt,
  		 u32 resp_opcnt,
  		 __be32 status,
  		 const char *name),
  	TP_ARGS(args_opcnt, resp_opcnt, status, name),
  	TP_STRUCT__entry(
  		__field(u32, args_opcnt)
  		__field(u32, resp_opcnt)
  		__field(int, status)
  		__string(name, name)
  	),
  	TP_fast_assign(
  		__entry->args_opcnt = args_opcnt;
  		__entry->resp_opcnt = resp_opcnt;
  		__entry->status = be32_to_cpu(status);
  		__assign_str(name, name);
  	),
  	TP_printk("op=%u/%u %s status=%d",
  		__entry->resp_opcnt, __entry->args_opcnt,
  		__get_str(name), __entry->status)
  )
  
  DECLARE_EVENT_CLASS(nfsd_fh_err_class,
  	TP_PROTO(struct svc_rqst *rqstp,
  		 struct svc_fh	*fhp,
  		 int		status),
  	TP_ARGS(rqstp, fhp, status),
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(u32, fh_hash)
  		__field(int, status)
  	),
  	TP_fast_assign(
  		__entry->xid = be32_to_cpu(rqstp->rq_xid);
  		__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
  		__entry->status = status;
  	),
  	TP_printk("xid=0x%08x fh_hash=0x%08x status=%d",
  		  __entry->xid, __entry->fh_hash,
  		  __entry->status)
  )
  
  #define DEFINE_NFSD_FH_ERR_EVENT(name)		\
  DEFINE_EVENT(nfsd_fh_err_class, nfsd_##name,	\
  	TP_PROTO(struct svc_rqst *rqstp,	\
  		 struct svc_fh	*fhp,		\
  		 int		status),	\
  	TP_ARGS(rqstp, fhp, status))
  
  DEFINE_NFSD_FH_ERR_EVENT(set_fh_dentry_badexport);
  DEFINE_NFSD_FH_ERR_EVENT(set_fh_dentry_badhandle);
  
  TRACE_EVENT(nfsd_exp_find_key,
  	TP_PROTO(const struct svc_expkey *key,
  		 int status),
  	TP_ARGS(key, status),
  	TP_STRUCT__entry(
  		__field(int, fsidtype)
  		__array(u32, fsid, 6)
  		__string(auth_domain, key->ek_client->name)
  		__field(int, status)
  	),
  	TP_fast_assign(
  		__entry->fsidtype = key->ek_fsidtype;
  		memcpy(__entry->fsid, key->ek_fsid, 4*6);
  		__assign_str(auth_domain, key->ek_client->name);
  		__entry->status = status;
  	),
  	TP_printk("fsid=%x::%s domain=%s status=%d",
  		__entry->fsidtype,
  		__print_array(__entry->fsid, 6, 4),
  		__get_str(auth_domain),
  		__entry->status
  	)
  );
  
  TRACE_EVENT(nfsd_expkey_update,
  	TP_PROTO(const struct svc_expkey *key, const char *exp_path),
  	TP_ARGS(key, exp_path),
  	TP_STRUCT__entry(
  		__field(int, fsidtype)
  		__array(u32, fsid, 6)
  		__string(auth_domain, key->ek_client->name)
  		__string(path, exp_path)
  		__field(bool, cache)
  	),
  	TP_fast_assign(
  		__entry->fsidtype = key->ek_fsidtype;
  		memcpy(__entry->fsid, key->ek_fsid, 4*6);
  		__assign_str(auth_domain, key->ek_client->name);
  		__assign_str(path, exp_path);
  		__entry->cache = !test_bit(CACHE_NEGATIVE, &key->h.flags);
  	),
  	TP_printk("fsid=%x::%s domain=%s path=%s cache=%s",
  		__entry->fsidtype,
  		__print_array(__entry->fsid, 6, 4),
  		__get_str(auth_domain),
  		__get_str(path),
  		__entry->cache ? "pos" : "neg"
  	)
  );
  
  TRACE_EVENT(nfsd_exp_get_by_name,
  	TP_PROTO(const struct svc_export *key,
  		 int status),
  	TP_ARGS(key, status),
  	TP_STRUCT__entry(
  		__string(path, key->ex_path.dentry->d_name.name)
  		__string(auth_domain, key->ex_client->name)
  		__field(int, status)
  	),
  	TP_fast_assign(
  		__assign_str(path, key->ex_path.dentry->d_name.name);
  		__assign_str(auth_domain, key->ex_client->name);
  		__entry->status = status;
  	),
  	TP_printk("path=%s domain=%s status=%d",
  		__get_str(path),
  		__get_str(auth_domain),
  		__entry->status
  	)
  );
  
  TRACE_EVENT(nfsd_export_update,
  	TP_PROTO(const struct svc_export *key),
  	TP_ARGS(key),
  	TP_STRUCT__entry(
  		__string(path, key->ex_path.dentry->d_name.name)
  		__string(auth_domain, key->ex_client->name)
  		__field(bool, cache)
  	),
  	TP_fast_assign(
  		__assign_str(path, key->ex_path.dentry->d_name.name);
  		__assign_str(auth_domain, key->ex_client->name);
  		__entry->cache = !test_bit(CACHE_NEGATIVE, &key->h.flags);
  	),
  	TP_printk("path=%s domain=%s cache=%s",
  		__get_str(path),
  		__get_str(auth_domain),
  		__entry->cache ? "pos" : "neg"
  	)
  );
  
  DECLARE_EVENT_CLASS(nfsd_io_class,
  	TP_PROTO(struct svc_rqst *rqstp,
  		 struct svc_fh	*fhp,
  		 loff_t		offset,
  		 unsigned long	len),
  	TP_ARGS(rqstp, fhp, offset, len),
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(u32, fh_hash)
  		__field(loff_t, offset)
  		__field(unsigned long, len)
  	),
  	TP_fast_assign(
  		__entry->xid = be32_to_cpu(rqstp->rq_xid);
  		__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
  		__entry->offset = offset;
  		__entry->len = len;
  	),
  	TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
  		  __entry->xid, __entry->fh_hash,
  		  __entry->offset, __entry->len)
  )
  
  #define DEFINE_NFSD_IO_EVENT(name)		\
  DEFINE_EVENT(nfsd_io_class, nfsd_##name,	\
  	TP_PROTO(struct svc_rqst *rqstp,	\
  		 struct svc_fh	*fhp,		\
  		 loff_t		offset,		\
  		 unsigned long	len),		\
  	TP_ARGS(rqstp, fhp, offset, len))
  
  DEFINE_NFSD_IO_EVENT(read_start);
  DEFINE_NFSD_IO_EVENT(read_splice);
  DEFINE_NFSD_IO_EVENT(read_vector);
  DEFINE_NFSD_IO_EVENT(read_io_done);
  DEFINE_NFSD_IO_EVENT(read_done);
  DEFINE_NFSD_IO_EVENT(write_start);
  DEFINE_NFSD_IO_EVENT(write_opened);
  DEFINE_NFSD_IO_EVENT(write_io_done);
  DEFINE_NFSD_IO_EVENT(write_done);
  
  DECLARE_EVENT_CLASS(nfsd_err_class,
  	TP_PROTO(struct svc_rqst *rqstp,
  		 struct svc_fh	*fhp,
  		 loff_t		offset,
  		 int		status),
  	TP_ARGS(rqstp, fhp, offset, status),
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(u32, fh_hash)
  		__field(loff_t, offset)
  		__field(int, status)
  	),
  	TP_fast_assign(
  		__entry->xid = be32_to_cpu(rqstp->rq_xid);
  		__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
  		__entry->offset = offset;
  		__entry->status = status;
  	),
  	TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld status=%d",
  		  __entry->xid, __entry->fh_hash,
  		  __entry->offset, __entry->status)
  )
  
  #define DEFINE_NFSD_ERR_EVENT(name)		\
  DEFINE_EVENT(nfsd_err_class, nfsd_##name,	\
  	TP_PROTO(struct svc_rqst *rqstp,	\
  		 struct svc_fh	*fhp,		\
  		 loff_t		offset,		\
  		 int		len),		\
  	TP_ARGS(rqstp, fhp, offset, len))
  
  DEFINE_NFSD_ERR_EVENT(read_err);
  DEFINE_NFSD_ERR_EVENT(write_err);
  
  #include "state.h"
  #include "filecache.h"
  #include "vfs.h"
  
  DECLARE_EVENT_CLASS(nfsd_stateid_class,
  	TP_PROTO(stateid_t *stp),
  	TP_ARGS(stp),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__field(u32, si_id)
  		__field(u32, si_generation)
  	),
  	TP_fast_assign(
  		__entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
  		__entry->cl_id = stp->si_opaque.so_clid.cl_id;
  		__entry->si_id = stp->si_opaque.so_id;
  		__entry->si_generation = stp->si_generation;
  	),
  	TP_printk("client %08x:%08x stateid %08x:%08x",
  		__entry->cl_boot,
  		__entry->cl_id,
  		__entry->si_id,
  		__entry->si_generation)
  )
  
  #define DEFINE_STATEID_EVENT(name) \
  DEFINE_EVENT(nfsd_stateid_class, nfsd_##name, \
  	TP_PROTO(stateid_t *stp), \
  	TP_ARGS(stp))
  
  DEFINE_STATEID_EVENT(layoutstate_alloc);
  DEFINE_STATEID_EVENT(layoutstate_unhash);
  DEFINE_STATEID_EVENT(layoutstate_free);
  DEFINE_STATEID_EVENT(layout_get_lookup_fail);
  DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
  DEFINE_STATEID_EVENT(layout_return_lookup_fail);
  DEFINE_STATEID_EVENT(layout_recall);
  DEFINE_STATEID_EVENT(layout_recall_done);
  DEFINE_STATEID_EVENT(layout_recall_fail);
  DEFINE_STATEID_EVENT(layout_recall_release);
  
  DEFINE_STATEID_EVENT(deleg_open);
  DEFINE_STATEID_EVENT(deleg_none);
  DEFINE_STATEID_EVENT(deleg_break);
  DEFINE_STATEID_EVENT(deleg_recall);
  
  DECLARE_EVENT_CLASS(nfsd_stateseqid_class,
  	TP_PROTO(u32 seqid, const stateid_t *stp),
  	TP_ARGS(seqid, stp),
  	TP_STRUCT__entry(
  		__field(u32, seqid)
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__field(u32, si_id)
  		__field(u32, si_generation)
  	),
  	TP_fast_assign(
  		__entry->seqid = seqid;
  		__entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
  		__entry->cl_id = stp->si_opaque.so_clid.cl_id;
  		__entry->si_id = stp->si_opaque.so_id;
  		__entry->si_generation = stp->si_generation;
  	),
  	TP_printk("seqid=%u client %08x:%08x stateid %08x:%08x",
  		__entry->seqid, __entry->cl_boot, __entry->cl_id,
  		__entry->si_id, __entry->si_generation)
  )
  
  #define DEFINE_STATESEQID_EVENT(name) \
  DEFINE_EVENT(nfsd_stateseqid_class, nfsd_##name, \
  	TP_PROTO(u32 seqid, const stateid_t *stp), \
  	TP_ARGS(seqid, stp))
  
  DEFINE_STATESEQID_EVENT(preprocess);
  DEFINE_STATESEQID_EVENT(open_confirm);
  
  DECLARE_EVENT_CLASS(nfsd_clientid_class,
  	TP_PROTO(const clientid_t *clid),
  	TP_ARGS(clid),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  	),
  	TP_fast_assign(
  		__entry->cl_boot = clid->cl_boot;
  		__entry->cl_id = clid->cl_id;
  	),
  	TP_printk("client %08x:%08x", __entry->cl_boot, __entry->cl_id)
  )
  
  #define DEFINE_CLIENTID_EVENT(name) \
  DEFINE_EVENT(nfsd_clientid_class, nfsd_clid_##name, \
  	TP_PROTO(const clientid_t *clid), \
  	TP_ARGS(clid))
  
  DEFINE_CLIENTID_EVENT(expired);
  DEFINE_CLIENTID_EVENT(purged);
  DEFINE_CLIENTID_EVENT(renew);
  DEFINE_CLIENTID_EVENT(stale);
  
  DECLARE_EVENT_CLASS(nfsd_net_class,
  	TP_PROTO(const struct nfsd_net *nn),
  	TP_ARGS(nn),
  	TP_STRUCT__entry(
  		__field(unsigned long long, boot_time)
  	),
  	TP_fast_assign(
  		__entry->boot_time = nn->boot_time;
  	),
  	TP_printk("boot_time=%16llx", __entry->boot_time)
  )
  
  #define DEFINE_NET_EVENT(name) \
  DEFINE_EVENT(nfsd_net_class, nfsd_##name, \
  	TP_PROTO(const struct nfsd_net *nn), \
  	TP_ARGS(nn))
  
  DEFINE_NET_EVENT(grace_start);
  DEFINE_NET_EVENT(grace_complete);
  
  DECLARE_EVENT_CLASS(nfsd_clid_class,
  	TP_PROTO(const struct nfsd_net *nn,
  		 unsigned int namelen,
  		 const unsigned char *namedata),
  	TP_ARGS(nn, namelen, namedata),
  	TP_STRUCT__entry(
  		__field(unsigned long long, boot_time)
  		__field(unsigned int, namelen)
  		__dynamic_array(unsigned char,  name, namelen)
  	),
  	TP_fast_assign(
  		__entry->boot_time = nn->boot_time;
  		__entry->namelen = namelen;
  		memcpy(__get_dynamic_array(name), namedata, namelen);
  	),
  	TP_printk("boot_time=%16llx nfs4_clientid=%.*s",
  		__entry->boot_time, __entry->namelen, __get_str(name))
  )
  
  #define DEFINE_CLID_EVENT(name) \
  DEFINE_EVENT(nfsd_clid_class, nfsd_clid_##name, \
  	TP_PROTO(const struct nfsd_net *nn, \
  		 unsigned int namelen, \
  		 const unsigned char *namedata), \
  	TP_ARGS(nn, namelen, namedata))
  
  DEFINE_CLID_EVENT(find);
  DEFINE_CLID_EVENT(reclaim);
  
  TRACE_EVENT(nfsd_clid_inuse_err,
  	TP_PROTO(const struct nfs4_client *clp),
  	TP_ARGS(clp),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
  		__field(unsigned int, namelen)
  		__dynamic_array(unsigned char, name, clp->cl_name.len)
  	),
  	TP_fast_assign(
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  		memcpy(__entry->addr, &clp->cl_addr,
  			sizeof(struct sockaddr_in6));
  		__entry->namelen = clp->cl_name.len;
  		memcpy(__get_dynamic_array(name), clp->cl_name.data,
  			clp->cl_name.len);
  	),
  	TP_printk("nfs4_clientid %.*s already in use by %pISpc, client %08x:%08x",
  		__entry->namelen, __get_str(name), __entry->addr,
  		__entry->cl_boot, __entry->cl_id)
  )
  
  TRACE_DEFINE_ENUM(NFSD_FILE_HASHED);
  TRACE_DEFINE_ENUM(NFSD_FILE_PENDING);
  TRACE_DEFINE_ENUM(NFSD_FILE_BREAK_READ);
  TRACE_DEFINE_ENUM(NFSD_FILE_BREAK_WRITE);
  TRACE_DEFINE_ENUM(NFSD_FILE_REFERENCED);
  
  #define show_nf_flags(val)						\
  	__print_flags(val, "|",						\
  		{ 1 << NFSD_FILE_HASHED,	"HASHED" },		\
  		{ 1 << NFSD_FILE_PENDING,	"PENDING" },		\
  		{ 1 << NFSD_FILE_BREAK_READ,	"BREAK_READ" },		\
  		{ 1 << NFSD_FILE_BREAK_WRITE,	"BREAK_WRITE" },	\
  		{ 1 << NFSD_FILE_REFERENCED,	"REFERENCED"})
  
  /* FIXME: This should probably be fleshed out in the future. */
  #define show_nf_may(val)						\
  	__print_flags(val, "|",						\
  		{ NFSD_MAY_READ,		"READ" },		\
  		{ NFSD_MAY_WRITE,		"WRITE" },		\
  		{ NFSD_MAY_NOT_BREAK_LEASE,	"NOT_BREAK_LEASE" })
  
  DECLARE_EVENT_CLASS(nfsd_file_class,
  	TP_PROTO(struct nfsd_file *nf),
  	TP_ARGS(nf),
  	TP_STRUCT__entry(
  		__field(unsigned int, nf_hashval)
  		__field(void *, nf_inode)
  		__field(int, nf_ref)
  		__field(unsigned long, nf_flags)
  		__field(unsigned char, nf_may)
  		__field(struct file *, nf_file)
  	),
  	TP_fast_assign(
  		__entry->nf_hashval = nf->nf_hashval;
  		__entry->nf_inode = nf->nf_inode;
  		__entry->nf_ref = refcount_read(&nf->nf_ref);
  		__entry->nf_flags = nf->nf_flags;
  		__entry->nf_may = nf->nf_may;
  		__entry->nf_file = nf->nf_file;
  	),
  	TP_printk("hash=0x%x inode=0x%p ref=%d flags=%s may=%s file=%p",
  		__entry->nf_hashval,
  		__entry->nf_inode,
  		__entry->nf_ref,
  		show_nf_flags(__entry->nf_flags),
  		show_nf_may(__entry->nf_may),
  		__entry->nf_file)
  )
  
  #define DEFINE_NFSD_FILE_EVENT(name) \
  DEFINE_EVENT(nfsd_file_class, name, \
  	TP_PROTO(struct nfsd_file *nf), \
  	TP_ARGS(nf))
  
  DEFINE_NFSD_FILE_EVENT(nfsd_file_alloc);
  DEFINE_NFSD_FILE_EVENT(nfsd_file_put_final);
  DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash);
  DEFINE_NFSD_FILE_EVENT(nfsd_file_put);
  DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash_and_release_locked);
  
  TRACE_EVENT(nfsd_file_acquire,
  	TP_PROTO(struct svc_rqst *rqstp, unsigned int hash,
  		 struct inode *inode, unsigned int may_flags,
  		 struct nfsd_file *nf, __be32 status),
  
  	TP_ARGS(rqstp, hash, inode, may_flags, nf, status),
  
  	TP_STRUCT__entry(
  		__field(u32, xid)
  		__field(unsigned int, hash)
  		__field(void *, inode)
  		__field(unsigned int, may_flags)
  		__field(int, nf_ref)
  		__field(unsigned long, nf_flags)
  		__field(unsigned char, nf_may)
  		__field(struct file *, nf_file)
  		__field(u32, status)
  	),
  
  	TP_fast_assign(
  		__entry->xid = be32_to_cpu(rqstp->rq_xid);
  		__entry->hash = hash;
  		__entry->inode = inode;
  		__entry->may_flags = may_flags;
  		__entry->nf_ref = nf ? refcount_read(&nf->nf_ref) : 0;
  		__entry->nf_flags = nf ? nf->nf_flags : 0;
  		__entry->nf_may = nf ? nf->nf_may : 0;
  		__entry->nf_file = nf ? nf->nf_file : NULL;
  		__entry->status = be32_to_cpu(status);
  	),
  
  	TP_printk("xid=0x%x hash=0x%x inode=0x%p may_flags=%s ref=%d nf_flags=%s nf_may=%s nf_file=0x%p status=%u",
  			__entry->xid, __entry->hash, __entry->inode,
  			show_nf_may(__entry->may_flags), __entry->nf_ref,
  			show_nf_flags(__entry->nf_flags),
  			show_nf_may(__entry->nf_may), __entry->nf_file,
  			__entry->status)
  );
  
  DECLARE_EVENT_CLASS(nfsd_file_search_class,
  	TP_PROTO(struct inode *inode, unsigned int hash, int found),
  	TP_ARGS(inode, hash, found),
  	TP_STRUCT__entry(
  		__field(struct inode *, inode)
  		__field(unsigned int, hash)
  		__field(int, found)
  	),
  	TP_fast_assign(
  		__entry->inode = inode;
  		__entry->hash = hash;
  		__entry->found = found;
  	),
  	TP_printk("hash=0x%x inode=0x%p found=%d", __entry->hash,
  			__entry->inode, __entry->found)
  );
  
  #define DEFINE_NFSD_FILE_SEARCH_EVENT(name)				\
  DEFINE_EVENT(nfsd_file_search_class, name,				\
  	TP_PROTO(struct inode *inode, unsigned int hash, int found),	\
  	TP_ARGS(inode, hash, found))
  
  DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode_sync);
  DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode);
  DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_is_cached);
  
  TRACE_EVENT(nfsd_file_fsnotify_handle_event,
  	TP_PROTO(struct inode *inode, u32 mask),
  	TP_ARGS(inode, mask),
  	TP_STRUCT__entry(
  		__field(struct inode *, inode)
  		__field(unsigned int, nlink)
  		__field(umode_t, mode)
  		__field(u32, mask)
  	),
  	TP_fast_assign(
  		__entry->inode = inode;
  		__entry->nlink = inode->i_nlink;
  		__entry->mode = inode->i_mode;
  		__entry->mask = mask;
  	),
  	TP_printk("inode=0x%p nlink=%u mode=0%ho mask=0x%x", __entry->inode,
  			__entry->nlink, __entry->mode, __entry->mask)
  );
  
  #include "cache.h"
  
  TRACE_DEFINE_ENUM(RC_DROPIT);
  TRACE_DEFINE_ENUM(RC_REPLY);
  TRACE_DEFINE_ENUM(RC_DOIT);
  
  #define show_drc_retval(x)						\
  	__print_symbolic(x,						\
  		{ RC_DROPIT, "DROPIT" },				\
  		{ RC_REPLY, "REPLY" },					\
  		{ RC_DOIT, "DOIT" })
  
  TRACE_EVENT(nfsd_drc_found,
  	TP_PROTO(
  		const struct nfsd_net *nn,
  		const struct svc_rqst *rqstp,
  		int result
  	),
  	TP_ARGS(nn, rqstp, result),
  	TP_STRUCT__entry(
  		__field(unsigned long long, boot_time)
  		__field(unsigned long, result)
  		__field(u32, xid)
  	),
  	TP_fast_assign(
  		__entry->boot_time = nn->boot_time;
  		__entry->result = result;
  		__entry->xid = be32_to_cpu(rqstp->rq_xid);
  	),
  	TP_printk("boot_time=%16llx xid=0x%08x result=%s",
  		__entry->boot_time, __entry->xid,
  		show_drc_retval(__entry->result))
  
  );
  
  TRACE_EVENT(nfsd_drc_mismatch,
  	TP_PROTO(
  		const struct nfsd_net *nn,
  		const struct svc_cacherep *key,
  		const struct svc_cacherep *rp
  	),
  	TP_ARGS(nn, key, rp),
  	TP_STRUCT__entry(
  		__field(unsigned long long, boot_time)
  		__field(u32, xid)
  		__field(u32, cached)
  		__field(u32, ingress)
  	),
  	TP_fast_assign(
  		__entry->boot_time = nn->boot_time;
  		__entry->xid = be32_to_cpu(key->c_key.k_xid);
  		__entry->cached = (__force u32)key->c_key.k_csum;
  		__entry->ingress = (__force u32)rp->c_key.k_csum;
  	),
  	TP_printk("boot_time=%16llx xid=0x%08x cached-csum=0x%08x ingress-csum=0x%08x",
  		__entry->boot_time, __entry->xid, __entry->cached,
  		__entry->ingress)
  );
  
  TRACE_EVENT(nfsd_cb_args,
  	TP_PROTO(
  		const struct nfs4_client *clp,
  		const struct nfs4_cb_conn *conn
  	),
  	TP_ARGS(clp, conn),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__field(u32, prog)
  		__field(u32, ident)
  		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
  	),
  	TP_fast_assign(
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  		__entry->prog = conn->cb_prog;
  		__entry->ident = conn->cb_ident;
  		memcpy(__entry->addr, &conn->cb_addr,
  			sizeof(struct sockaddr_in6));
  	),
  	TP_printk("client %08x:%08x callback addr=%pISpc prog=%u ident=%u",
  		__entry->cl_boot, __entry->cl_id,
  		__entry->addr, __entry->prog, __entry->ident)
  );
  
  TRACE_EVENT(nfsd_cb_nodelegs,
  	TP_PROTO(const struct nfs4_client *clp),
  	TP_ARGS(clp),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  	),
  	TP_fast_assign(
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  	),
  	TP_printk("client %08x:%08x", __entry->cl_boot, __entry->cl_id)
  )
  
  TRACE_DEFINE_ENUM(NFSD4_CB_UP);
  TRACE_DEFINE_ENUM(NFSD4_CB_UNKNOWN);
  TRACE_DEFINE_ENUM(NFSD4_CB_DOWN);
  TRACE_DEFINE_ENUM(NFSD4_CB_FAULT);
  
  #define show_cb_state(val)						\
  	__print_symbolic(val,						\
  		{ NFSD4_CB_UP,		"UP" },				\
  		{ NFSD4_CB_UNKNOWN,	"UNKNOWN" },			\
  		{ NFSD4_CB_DOWN,	"DOWN" },			\
  		{ NFSD4_CB_FAULT,	"FAULT"})
  
  DECLARE_EVENT_CLASS(nfsd_cb_class,
  	TP_PROTO(const struct nfs4_client *clp),
  	TP_ARGS(clp),
  	TP_STRUCT__entry(
  		__field(unsigned long, state)
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
  	),
  	TP_fast_assign(
  		__entry->state = clp->cl_cb_state;
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  		memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
  			sizeof(struct sockaddr_in6));
  	),
  	TP_printk("addr=%pISpc client %08x:%08x state=%s",
  		__entry->addr, __entry->cl_boot, __entry->cl_id,
  		show_cb_state(__entry->state))
  );
  
  #define DEFINE_NFSD_CB_EVENT(name)			\
  DEFINE_EVENT(nfsd_cb_class, nfsd_cb_##name,		\
  	TP_PROTO(const struct nfs4_client *clp),	\
  	TP_ARGS(clp))
  
  DEFINE_NFSD_CB_EVENT(setup);
  DEFINE_NFSD_CB_EVENT(state);
  DEFINE_NFSD_CB_EVENT(shutdown);
  
  TRACE_EVENT(nfsd_cb_setup_err,
  	TP_PROTO(
  		const struct nfs4_client *clp,
  		long error
  	),
  	TP_ARGS(clp, error),
  	TP_STRUCT__entry(
  		__field(long, error)
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
  	),
  	TP_fast_assign(
  		__entry->error = error;
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  		memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
  			sizeof(struct sockaddr_in6));
  	),
  	TP_printk("addr=%pISpc client %08x:%08x error=%ld",
  		__entry->addr, __entry->cl_boot, __entry->cl_id, __entry->error)
  );
  
  TRACE_EVENT(nfsd_cb_work,
  	TP_PROTO(
  		const struct nfs4_client *clp,
  		const char *procedure
  	),
  	TP_ARGS(clp, procedure),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__string(procedure, procedure)
  		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
  	),
  	TP_fast_assign(
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  		__assign_str(procedure, procedure)
  		memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
  			sizeof(struct sockaddr_in6));
  	),
  	TP_printk("addr=%pISpc client %08x:%08x procedure=%s",
  		__entry->addr, __entry->cl_boot, __entry->cl_id,
  		__get_str(procedure))
  );
  
  TRACE_EVENT(nfsd_cb_done,
  	TP_PROTO(
  		const struct nfs4_client *clp,
  		int status
  	),
  	TP_ARGS(clp, status),
  	TP_STRUCT__entry(
  		__field(u32, cl_boot)
  		__field(u32, cl_id)
  		__field(int, status)
  		__array(unsigned char, addr, sizeof(struct sockaddr_in6))
  	),
  	TP_fast_assign(
  		__entry->cl_boot = clp->cl_clientid.cl_boot;
  		__entry->cl_id = clp->cl_clientid.cl_id;
  		__entry->status = status;
  		memcpy(__entry->addr, &clp->cl_cb_conn.cb_addr,
  			sizeof(struct sockaddr_in6));
  	),
  	TP_printk("addr=%pISpc client %08x:%08x status=%d",
  		__entry->addr, __entry->cl_boot, __entry->cl_id,
  		__entry->status)
  );
  
  #endif /* _NFSD_TRACE_H */
  
  #undef TRACE_INCLUDE_PATH
  #define TRACE_INCLUDE_PATH .
  #define TRACE_INCLUDE_FILE trace
  #include <trace/define_trace.h>
  