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staging: lustre: osc: debug to match extent to brw RPC

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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@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.lyashkov@seagate.com>
Reviewed-by: Ann Koehler <amk@cray.com>
Reviewed-by: Ryan Haasken <haasken@cray.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Patrick Farrell 2016-09-18 16:37:37 -04:00 committed by Greg Kroah-Hartman
parent 0a12009912
commit 346dc1c877
1 changed files with 5 additions and 0 deletions
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5
drivers/staging/lustre/lustre/osc/osc_request.c
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@ -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: