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NFSD: Fix TP_printk() format specifier in nfsd_clid_class

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[ Upstream commit a948b1142cae66785521a389cab2cce74069b547 ]

Since commit 9a6944fee68e ("tracing: Add a verifier to check string
pointers for trace events"), which was merged in v5.13-rc1,
TP_printk() no longer tacitly supports the "%.*s" format specifier.

These are low value tracepoints, so just remove them.

Reported-by: David Wysochanski <dwysocha@redhat.com>
Fixes: dd5e3fbc1f ("NFSD: Add tracepoints to the NFSD state management code")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chuck Lever 2021-05-14 15:55:17 -04:00 committed by Greg Kroah-Hartman
parent 2830dd2faa
commit f0e905df68
2 changed files with 0 additions and 32 deletions
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3
fs/nfsd/nfs4state.c
View File

@ -7158,7 +7158,6 @@ nfs4_client_to_reclaim(struct xdr_netobj name, struct xdr_netobj princhash,
unsigned int strhashval;
struct nfs4_client_reclaim *crp;
trace_nfsd_clid_reclaim(nn, name.len, name.data);
crp = alloc_reclaim();
if (crp) {
strhashval = clientstr_hashval(name);
@ -7208,8 +7207,6 @@ nfsd4_find_reclaim_client(struct xdr_netobj name, struct nfsd_net *nn)
unsigned int strhashval;
struct nfs4_client_reclaim *crp = NULL;
trace_nfsd_clid_find(nn, name.len, name.data);
strhashval = clientstr_hashval(name);
list_for_each_entry(crp, &nn->reclaim_str_hashtbl[strhashval], cr_strhash) {
if (compare_blob(&crp->cr_name, &name) == 0) {

29
fs/nfsd/trace.h
View File

@ -368,35 +368,6 @@ DEFINE_EVENT(nfsd_net_class, nfsd_##name, \
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),