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Subject[PATCH 2/3] NFSD: Use new __string_len C macros for the nfs_dirent tracepoint
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Date
Clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
fs/nfsd/trace.h | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index adaec43548d1..52a43acd546c 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -400,18 +400,16 @@ TRACE_EVENT(nfsd_dirent,
TP_STRUCT__entry(
__field(u32, fh_hash)
__field(u64, ino)
- __field(int, len)
- __dynamic_array(unsigned char, name, namlen)
+ __string_len(name, name, namlen)
),
TP_fast_assign(
__entry->fh_hash = fhp ? knfsd_fh_hash(&fhp->fh_handle) : 0;
__entry->ino = ino;
- __entry->len = namlen;
- memcpy(__get_str(name), name, namlen);
+ __assign_str_len(name, name, namlen)
),
- TP_printk("fh_hash=0x%08x ino=%llu name=%.*s",
- __entry->fh_hash, __entry->ino,
- __entry->len, __get_str(name))
+ TP_printk("fh_hash=0x%08x ino=%llu name=%s",
+ __entry->fh_hash, __entry->ino, __get_str(name)
+ )
)

#include "state.h"

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