Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index b073bdc..a952f4a 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -9,6 +9,7 @@
 #define _NFSD_TRACE_H
 
 #include <linux/tracepoint.h>
+#include "export.h"
 #include "nfsfh.h"
 
 TRACE_EVENT(nfsd_compound,
@@ -50,17 +51,138 @@ TRACE_EVENT(nfsd_compound_status,
 		__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),
+		 u64		offset,
+		 u32		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)
+		__field(u64, offset)
+		__field(u32, len)
 	),
 	TP_fast_assign(
 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
@@ -68,7 +190,7 @@ DECLARE_EVENT_CLASS(nfsd_io_class,
 		__entry->offset = offset;
 		__entry->len = len;
 	),
-	TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
+	TP_printk("xid=0x%08x fh_hash=0x%08x offset=%llu len=%u",
 		  __entry->xid, __entry->fh_hash,
 		  __entry->offset, __entry->len)
 )
@@ -77,8 +199,8 @@ DECLARE_EVENT_CLASS(nfsd_io_class,
 DEFINE_EVENT(nfsd_io_class, nfsd_##name,	\
 	TP_PROTO(struct svc_rqst *rqstp,	\
 		 struct svc_fh	*fhp,		\
-		 loff_t		offset,		\
-		 unsigned long	len),		\
+		 u64		offset,		\
+		 u32		len),		\
 	TP_ARGS(rqstp, fhp, offset, len))
 
 DEFINE_NFSD_IO_EVENT(read_start);
@@ -155,6 +277,7 @@ DECLARE_EVENT_CLASS(nfsd_stateid_class,
 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);
@@ -166,6 +289,115 @@ DEFINE_STATEID_EVENT(layout_recall_done);
 DEFINE_STATEID_EVENT(layout_recall_fail);
 DEFINE_STATEID_EVENT(layout_recall_release);
 
+DEFINE_STATEID_EVENT(open);
+DEFINE_STATEID_EVENT(deleg_read);
+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);
+
+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" },		\
@@ -195,7 +427,7 @@ DECLARE_EVENT_CLASS(nfsd_file_class,
 	TP_fast_assign(
 		__entry->nf_hashval = nf->nf_hashval;
 		__entry->nf_inode = nf->nf_inode;
-		__entry->nf_ref = atomic_read(&nf->nf_ref);
+		__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;
@@ -244,7 +476,7 @@ TRACE_EVENT(nfsd_file_acquire,
 		__entry->hash = hash;
 		__entry->inode = inode;
 		__entry->may_flags = may_flags;
-		__entry->nf_ref = nf ? atomic_read(&nf->nf_ref) : 0;
+		__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;
@@ -304,6 +536,218 @@ TRACE_EVENT(nfsd_file_fsnotify_handle_event,
 			__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