From: Patrick Farrell <p...@cray.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 <p...@cray.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5531
Reviewed-on: http://review.whamcloud.com/11548
Reviewed-by: Alexey Lyashkov <alexey.lyash...@seagate.com>
Reviewed-by: Ann Koehler <a...@cray.com>
Reviewed-by: Ryan Haasken <haas...@cray.com>
Reviewed-by: Jinshan Xiong <jinshan.xi...@intel.com>
Reviewed-by: Oleg Drokin <oleg.dro...@intel.com>
Signed-off-by: James Simmons <jsimm...@infradead.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

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to