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NFSD: Use new __string_len C macros for the nfs_dirent tracepoint

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Clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2021-05-12 09:39:06 -04:00
parent 883b4aee4d
commit 408c0de706
1 changed files with 5 additions and 7 deletions
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12
fs/nfsd/trace.h
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@ -400,18 +400,16 @@ TRACE_EVENT(nfsd_dirent,
TP_STRUCT__entry( TP_STRUCT__entry(
__field(u32, fh_hash) __field(u32, fh_hash)
__field(u64, ino) __field(u64, ino)
__field(int, len) __string_len(name, name, namlen)
__dynamic_array(unsigned char, name, namlen)
), ),
TP_fast_assign( TP_fast_assign(
__entry->fh_hash = fhp ? knfsd_fh_hash(&fhp->fh_handle) : 0; __entry->fh_hash = fhp ? knfsd_fh_hash(&fhp->fh_handle) : 0;
__entry->ino = ino; __entry->ino = ino;
__entry->len = namlen; __assign_str_len(name, name, namlen)
memcpy(__get_str(name), name, namlen);
), ),
TP_printk("fh_hash=0x%08x ino=%llu name=%.*s", TP_printk("fh_hash=0x%08x ino=%llu name=%s",
__entry->fh_hash, __entry->ino, __entry->fh_hash, __entry->ino, __get_str(name)
__entry->len, __get_str(name)) )
) )
#include "state.h" #include "state.h"