linux-kernel - [PATCH 038/124] staging: lustre: osc: debug to match extent to brw RPC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 18 Sep 2016 16:37:37 -0400
From:   James Simmons <jsimmons@...radead.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        Oleg Drokin <oleg.drokin@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        Patrick Farrell <paf@...y.com>,
        James Simmons <jsimmons@...radead.org>
Subject: [PATCH 038/124] staging: lustre: osc: debug to match extent to brw RPC

From: Patrick Farrell <paf@...y.com>

Currently, it's difficult to match brw RPCs to objects and
extents from client logs.  This patch adds a D_RPCTRACE
debug message giving the necessary information.

Signed-off-by: Patrick Farrell <paf@...y.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5531
Reviewed-on: http://review.whamcloud.com/11548
Reviewed-by: Alexey Lyashkov <alexey.lyashkov@...gate.com>
Reviewed-by: Ann Koehler <amk@...y.com>
Reviewed-by: Ryan Haasken <haasken@...y.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
 drivers/staging/lustre/lustre/osc/osc_request.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index 5cca2b6..d5d2963 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -1419,6 +1419,11 @@ static int osc_brw_prep_request(int cmd, struct client_obd *cli,
 	INIT_LIST_HEAD(&aa->aa_oaps);
 
 	*reqp = req;
+	niobuf = req_capsule_client_get(pill, &RMF_NIOBUF_REMOTE);
+	CDEBUG(D_RPCTRACE, "brw rpc %p - object " DOSTID " offset %lld<>%lld\n",
+	       req, POSTID(&oa->o_oi), niobuf[0].rnb_offset,
+	       niobuf[niocount - 1].rnb_offset + niobuf[niocount - 1].rnb_len);
+
 	return 0;
 
  out:
-- 
1.7.1