NFSD: Use new __string_len C macros for the nfs_dirent tracepoint

Clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index adaec43..52a43ac 100644 (file)
--- 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"