]> www.infradead.org Git - users/hch/misc.git/commitdiff
nfsd: add tracepoints for unlink events
authorJeff Layton <jlayton@kernel.org>
Sat, 3 May 2025 19:59:26 +0000 (15:59 -0400)
committerChuck Lever <chuck.lever@oracle.com>
Sun, 11 May 2025 23:48:33 +0000 (19:48 -0400)
Observe the start of UNLINK, REMOVE, and RMDIR operations for all
NFS versions.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
fs/nfsd/trace.h
fs/nfsd/vfs.c

index acbf94cfb720f649a13136143fc60d7e85e3dfed..e96585546d01fff1b4124788db9d6253c4d244ae 100644 (file)
@@ -2498,6 +2498,30 @@ TRACE_EVENT(nfsd_vfs_link,
        )
 );
 
+TRACE_EVENT(nfsd_vfs_unlink,
+       TP_PROTO(
+               const struct svc_rqst *rqstp,
+               const struct svc_fh *fhp,
+               const char *name,
+               unsigned int len
+       ),
+       TP_ARGS(rqstp, fhp, name, len),
+       TP_STRUCT__entry(
+               NFSD_TRACE_PROC_CALL_FIELDS(rqstp)
+               __field(u32, fh_hash)
+               __string_len(name, name, len)
+       ),
+       TP_fast_assign(
+               NFSD_TRACE_PROC_CALL_ASSIGNMENTS(rqstp);
+               __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
+               __assign_str(name);
+       ),
+       TP_printk("xid=0x%08x fh_hash=0x%08x name=%s",
+               __entry->xid, __entry->fh_hash,
+               __get_str(name)
+       )
+);
+
 #endif /* _NFSD_TRACE_H */
 
 #undef TRACE_INCLUDE_PATH
index 30702f36db98f6bc8e17fef8d9788efb23f5542b..820290e5328f9e174c8aff1a2688f965216c4edf 100644 (file)
@@ -1998,6 +1998,8 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
        __be32          err;
        int             host_err;
 
+       trace_nfsd_vfs_unlink(rqstp, fhp, fname, flen);
+
        err = nfserr_acces;
        if (!flen || isdotent(fname, flen))
                goto out;