Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs

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To: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Subject: Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Mon, 27 Jan 2020 23:04:18 -0500
Cc: Ming Lei <ming.lei@xxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Linux SCSI List <linux-scsi@xxxxxxxxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Jens Axboe <axboe@xxxxxxxxx>, Sathya Prakash <sathya.prakash@xxxxxxxxxxxx>, Chaitra P B <chaitra.basappa@xxxxxxxxxxxx>, Suganath Prabu Subramani <suganath-prabu.subramani@xxxxxxxxxxxx>, Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>, Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>, "Ewan D . Milne" <emilne@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Hannes Reinecke <hare@xxxxxxx>, Bart Van Assche <bart.vanassche@xxxxxxx>
In-reply-to: <CAL2rwxrLVeAZmFPGvOOqDrea8Nh3p1Cb5BSd4r4noC_8AzRtHg@mail.gmail.com> (Sumit Saxena's message of "Fri, 24 Jan 2020 18:13:40 +0530")
Organization: Oracle Corporation
References: <20200119071432.18558-1-ming.lei@redhat.com> <20200119071432.18558-6-ming.lei@redhat.com> <yq1y2u1if7t.fsf@oracle.com> <20200123025429.GA5191@ming.t460p> <yq1sgk5ejix.fsf@oracle.com> <20200124015957.GA17387@ming.t460p> <CAL2rwxrLVeAZmFPGvOOqDrea8Nh3p1Cb5BSd4r4noC_8AzRtHg@mail.gmail.com>
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux)

Sumit,

> "mpt3sas" adapters support QUEUE FULL based on IOCCapabilities of
> Firmware.  Default configuration is Firmware will manage QUEUE FULL.

Regrettably...

-- 
Martin K. Petersen	Oracle Linux Engineering

References:
- [PATCH 0/6] scsi: support bypass device busy check for some high end HBA with SSD
  - From: Ming Lei
- [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
  - From: Ming Lei
- Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
  - From: Martin K. Petersen
- Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
  - From: Ming Lei
- Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
  - From: Martin K. Petersen
- Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
  - From: Ming Lei
- Re: [PATCH 5/6] scsi: core: don't limit per-LUN queue depth for SSD when HBA needs
  - From: Sumit Saxena

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