From nobody Sat Feb 7 14:45:36 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 457EE280CE7; Sat, 3 May 2025 19:59:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746302390; cv=none; b=QkkcCj0QEt3HUswFL0oVBnqxAbGx0Ug3Or66a/TYIQOFUrdacGC7t20H1y+eeTOWT1x4hiT863PpgEbI4Xn4/ge6utpKCSKrqFXWoXmzKo/Fevr8hUzAuBdbwQk6coNRqOcObOY9A4kHasSN5/HUcH/Xh2Y85CUPConMDG9LwSQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746302390; c=relaxed/simple; bh=KMY3BOjFTILPTpVm7oEa9ID80RUxMf6Ju5Mms7cyin8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Fa7FR4VIrPjoFOi5q9nmHC06a96q2RkgaeMGdPUVxOtSjk8CcZN+BrI7LWIb/0L/gDtnaXoTN6SIxRuud+BHhhW+ob+Gzv9KFdj262eth8T3rdHAmyvVxv3YnKpyvCmL5wtXGh/BsjGUPPMc1T4wvefIJ4VH16JbGM48Uo89zvc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BLYSPmWd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BLYSPmWd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13C0BC4CEE9; Sat, 3 May 2025 19:59:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746302389; bh=KMY3BOjFTILPTpVm7oEa9ID80RUxMf6Ju5Mms7cyin8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BLYSPmWdg/uvfmuP9RKAnLUn2WzU4kZQCZzu5kvFLczp2q9CdM0mDlPYLJ0KObu1B HoVMFwz8wChYfP71NIxYsKsc0gcXxwdMiIfZO8eGlEgZ0rO56xWnbpb4Q52CzWQNnF DJdjYpollelvccFDnhJPfXdfMUCo5olJkO3+RehIfxoVcdNP/oZ8gr5mXbY+/3QxD3 CbSyQjy6riyKbZ2+nMAwe5X4u2N5M8eUPtn6o7Vy1axd1dAeM3ttbAQ1O2wFIJrbkv /aQlEw3knLarWGd6bXeS3LNsDl9hZwdvJ3KsbEaLnVhcKu2V8B8WWkxCl9ySxI815n NLFOnjsgQN2kQ== From: cel@kernel.org To: NeilBrown , Jeff Layton , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker Cc: sargun@sargun.me, , Subject: [PATCH v4 09/18] nfsd: add tracepoint to nfsd_rename Date: Sat, 3 May 2025 15:59:27 -0400 Message-ID: <20250503195936.5083-10-cel@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250503195936.5083-1-cel@kernel.org> References: <20250503195936.5083-1-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Jeff Layton Observe the start of RENAME operations for all NFS versions. Signed-off-by: Jeff Layton Signed-off-by: Chuck Lever --- fs/nfsd/trace.h | 31 +++++++++++++++++++++++++++++++ fs/nfsd/vfs.c | 2 ++ 2 files changed, 33 insertions(+) diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index e96585546d01..46091d7f2260 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -2522,6 +2522,37 @@ TRACE_EVENT(nfsd_vfs_unlink, ) ); =20 +TRACE_EVENT(nfsd_vfs_rename, + TP_PROTO( + const struct svc_rqst *rqstp, + const struct svc_fh *sfhp, + const struct svc_fh *tfhp, + const char *source, + unsigned int sourcelen, + const char *target, + unsigned int targetlen + ), + TP_ARGS(rqstp, sfhp, tfhp, source, sourcelen, target, targetlen), + TP_STRUCT__entry( + NFSD_TRACE_PROC_CALL_FIELDS(rqstp) + __field(u32, sfh_hash) + __field(u32, tfh_hash) + __string_len(source, source, sourcelen) + __string_len(target, target, targetlen) + ), + TP_fast_assign( + NFSD_TRACE_PROC_CALL_ASSIGNMENTS(rqstp); + __entry->sfh_hash =3D knfsd_fh_hash(&sfhp->fh_handle); + __entry->tfh_hash =3D knfsd_fh_hash(&tfhp->fh_handle); + __assign_str(source); + __assign_str(target); + ), + TP_printk("xid=3D0x%08x sfh_hash=3D0x%08x tfh_hash=3D0x%08x source=3D%s t= arget=3D%s", + __entry->xid, __entry->sfh_hash, __entry->tfh_hash, + __get_str(source), __get_str(target) + ) +); + #endif /* _NFSD_TRACE_H */ =20 #undef TRACE_INCLUDE_PATH diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 820290e5328f..41314b2a8199 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1840,6 +1840,8 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ff= hp, char *fname, int flen, int host_err; bool close_cached =3D false; =20 + trace_nfsd_vfs_rename(rqstp, ffhp, tfhp, fname, flen, tname, tlen); + err =3D fh_verify(rqstp, ffhp, S_IFDIR, NFSD_MAY_REMOVE); if (err) goto out; --=20 2.49.0