diff mbox series

[5.4,112/388] nfsd: Fix a perf warning

Message ID 20200929110015.899018811@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Sept. 29, 2020, 10:57 a.m. UTC 
From: Trond Myklebust <trondmy@gmail.com>

[ Upstream commit a9ceb060b3cf37987b6162223575eaf4f4e0fc36 ]

perf does not know how to deal with a __builtin_bswap32() call, and
complains. All other functions just store the xid etc in host endian
form, so let's do that in the tracepoint for nfsd_file_acquire too.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/nfsd/trace.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index ffc78a0e28b24..b073bdc2e6e89 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -228,7 +228,7 @@  TRACE_EVENT(nfsd_file_acquire,
 	TP_ARGS(rqstp, hash, inode, may_flags, nf, status),
 
 	TP_STRUCT__entry(
-		__field(__be32, xid)
+		__field(u32, xid)
 		__field(unsigned int, hash)
 		__field(void *, inode)
 		__field(unsigned int, may_flags)
@@ -236,11 +236,11 @@  TRACE_EVENT(nfsd_file_acquire,
 		__field(unsigned long, nf_flags)
 		__field(unsigned char, nf_may)
 		__field(struct file *, nf_file)
-		__field(__be32, status)
+		__field(u32, status)
 	),
 
 	TP_fast_assign(
-		__entry->xid = rqstp->rq_xid;
+		__entry->xid = be32_to_cpu(rqstp->rq_xid);
 		__entry->hash = hash;
 		__entry->inode = inode;
 		__entry->may_flags = may_flags;
@@ -248,15 +248,15 @@  TRACE_EVENT(nfsd_file_acquire,
 		__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 = status;
+		__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",
-			be32_to_cpu(__entry->xid), __entry->hash, __entry->inode,
+			__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,
-			be32_to_cpu(__entry->status))
+			__entry->status)
 );
 
 DECLARE_EVENT_CLASS(nfsd_file_search_class,