From: Kashyap Desai <kashyap.desai@broadcom.com>
To: Hannes Reinecke <hare@suse.de>, Ming Lei <ming.lei@redhat.com>,
Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org,
Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>,
Chaitra P B <chaitra.basappa@broadcom.com>,
Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>,
Sumit Saxena <sumit.saxena@broadcom.com>,
Shivasharan Srikanteshwara
<shivasharan.srikanteshwara@broadcom.com>,
"Ewan D . Milne" <emilne@redhat.com>,
Christoph Hellwig <hch@lst.de>,
Bart Van Assche <bart.vanassche@wdc.com>
Subject: RE: [PATCH 1/4] scsi: megaraid_sas: use private counter for tracking inflight per-LUN commands
Date: Tue, 26 Nov 2019 08:42:59 +0530 [thread overview]
Message-ID: <252362ee5ac748694d205441729c433f@mail.gmail.com> (raw)
In-Reply-To: <97bf460e-62c9-dc64-db4c-fb5540e70ae9@suse.de>
> > drivers/scsi/megaraid/megaraid_sas.h | 1 +
> > drivers/scsi/megaraid/megaraid_sas_base.c | 15 +++++++++++++--
> > drivers/scsi/megaraid/megaraid_sas_fusion.c | 13 +++++++++----
> > 3 files changed, 23 insertions(+), 6 deletions(-)
> >
> Reviewed-by: Hannes Reinecke <hare@suse.de>
Ming - Sorry for delay. I will update this Patch. We prefer driver to
avoid counter for per sdev if possible. We are currently testing driver
using below changes.
inline unsigned long sdev_nr_inflight_request(struct request_queue *q) {
struct blk_mq_hw_ctx *hctx = q->queue_hw_ctx[0]
return atomic_read(&hctx->nr_active);
}
>
> Cheers,
>
> Hannes
> --
> Dr. Hannes Reinecke Teamlead Storage & Networking
> hare@suse.de +49 911 74053 688
> SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB
> 247165 (AG München), GF: Felix Imendörffer
next prev parent reply other threads:[~2019-11-26 3:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-18 10:31 [PATCH 0/4] scis: don't apply per-LUN queue depth for SSD Ming Lei
2019-11-18 10:31 ` [PATCH 1/4] scsi: megaraid_sas: use private counter for tracking inflight per-LUN commands Ming Lei
2019-11-20 9:54 ` Hannes Reinecke
2019-11-26 3:12 ` Kashyap Desai [this message]
2019-11-26 3:37 ` Ming Lei
2019-12-05 10:32 ` Kashyap Desai
2019-11-18 10:31 ` [PATCH 2/4] scsi: mpt3sas: " Ming Lei
2019-11-20 9:55 ` Hannes Reinecke
2019-11-18 10:31 ` [PATCH 3/4] scsi: sd: register request queue after sd_revalidate_disk is done Ming Lei
2019-11-20 9:59 ` Hannes Reinecke
2019-11-18 10:31 ` [PATCH 4/4] scsi: core: don't limit per-LUN queue depth for SSD Ming Lei
2019-11-20 10:05 ` Hannes Reinecke
2019-11-20 17:00 ` Ewan D. Milne
2019-11-20 20:56 ` Bart Van Assche
2019-11-20 21:36 ` Ewan D. Milne
2019-11-22 2:25 ` Martin K. Petersen
2019-11-21 1:07 ` Ming Lei
2019-11-22 2:59 ` Martin K. Petersen
2019-11-22 3:24 ` Ming Lei
2019-11-22 16:38 ` Sumanesh Samanta
2019-11-21 0:54 ` Ming Lei
2019-11-21 19:19 ` Ewan D. Milne
2019-11-21 0:53 ` Ming Lei
2019-11-21 15:45 ` Hannes Reinecke
2019-11-22 8:09 ` Ming Lei
2019-11-22 18:14 ` Bart Van Assche
2019-11-22 18:26 ` James Smart
2019-11-22 20:46 ` Bart Van Assche
2019-11-22 22:04 ` Ming Lei
2019-11-22 22:00 ` Ming Lei
2019-11-25 18:28 ` Ewan D. Milne
2019-11-25 22:14 ` James Smart
2019-11-22 2:18 ` Martin K. Petersen
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