Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/nfsd/trace.h | 23 +++++++++++++++++++++++
fs/nfsd/vfs.c | 2 ++
2 files changed, 25 insertions(+)
diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 752d81629e04f805536295f00a16721f57272fbe..9f604eb23f6304d11223733cee38871a4c39001f 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -2416,6 +2416,29 @@ TRACE_EVENT(nfsd_vfs_create,
show_fs_file_type(__entry->type), __get_str(name))
);
+TRACE_EVENT(nfsd_vfs_symlink,
+ TP_PROTO(struct svc_rqst *rqstp,
+ struct svc_fh *fhp,
+ const char *name,
+ unsigned int namelen,
+ const char *tgt),
+ TP_ARGS(rqstp, fhp, name, namelen, tgt),
+ TP_STRUCT__entry(
+ SVC_RQST_ENDPOINT_FIELDS(rqstp)
+ __field(u32, fh_hash)
+ __string_len(name, name, namelen)
+ __string(tgt, tgt)
+ ),
+ TP_fast_assign(
+ SVC_RQST_ENDPOINT_ASSIGNMENTS(rqstp);
+ __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
+ __assign_str(name);
+ __assign_str(tgt);
+ ),
+ TP_printk("xid=0x%08x fh_hash=0x%08x name=%s target=%s",
+ __entry->xid, __entry->fh_hash,
+ __get_str(name), __get_str(tgt))
+);
#endif /* _NFSD_TRACE_H */
#undef TRACE_INCLUDE_PATH
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 888572727d332dafd3e520f4801c4b0ca4e5c96c..44e9260410b2d9dc7e07b5af7a74b63bd0175998 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1676,6 +1676,8 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
__be32 err, cerr;
int host_err;
+ trace_nfsd_vfs_symlink(rqstp, fhp, fname, flen, path);
+
err = nfserr_noent;
if (!flen || path[0] == '\0')
goto out;
--
2.49.0
