From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
James Bottomley <james.bottomley@hansenpartnership.com>,
Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
Kashyap Desai <kashyap.desai@broadcom.com>,
Sathya Prakash <sathya.prakash@broadcom.com>,
linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.com>
Subject: Re: [PATCHv2 10/11] scsi: allocate reserved commands
Date: Fri, 17 Feb 2017 13:37:48 +0100 [thread overview]
Message-ID: <20170217123748.GA23739@lst.de> (raw)
In-Reply-To: <54057180-fcdf-848e-80ca-50519456f18c@suse.de>
On Fri, Feb 17, 2017 at 10:00:28AM +0100, Hannes Reinecke wrote:
> So here's my question: how are 'reserved' commands are imagined to be used?
> ATM they exist for blk-mq solely, and are not even implemented for
> legacy sq.
Yes.
> At the same time quite some drivers (like mpt3sas) really could make use
> of the notion of 'reserved' commands.
> Does it make sense to implement 'reserved' commands for the legacy sq
> code path, too?
Yes.
next prev parent reply other threads:[~2017-02-17 12:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-17 8:22 [PATCHv2 00/11] mpt3sas: Full mq support, part 1 Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 01/11] mpt3sas: switch to pci_alloc_irq_vectors Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 02/11] mpt3sas: set default value for cb_idx Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 03/11] mpt3sas: use 'list_splice_init()' Hannes Reinecke
2017-02-17 8:33 ` Christoph Hellwig
2017-02-17 8:23 ` [PATCHv2 04/11] mpt3sas: separate out _base_recovery_check() Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 05/11] mpt3sas: open-code _scsih_scsi_lookup_get() Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 06/11] mpt3sas: Introduce mpt3sas_get_st_from_smid() Hannes Reinecke
2017-02-17 9:35 ` Johannes Thumshirn
2017-02-17 9:40 ` Johannes Thumshirn
2017-02-17 8:23 ` [PATCHv2 07/11] mpt3sas: check command status before attempting abort Hannes Reinecke
2017-02-17 8:35 ` Christoph Hellwig
2017-02-17 8:39 ` Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 08/11] mpt3sas: always use smid 1 for ioctl passthrough Hannes Reinecke
2017-02-17 8:45 ` Christoph Hellwig
2017-02-17 8:52 ` Hannes Reinecke
2017-02-17 8:23 ` [PATCHv2 09/11] mpt3sas: lockless command submission for scsi-mq Hannes Reinecke
2017-02-17 8:54 ` Christoph Hellwig
2017-02-17 9:03 ` Hannes Reinecke
2017-02-17 9:09 ` Christoph Hellwig
2017-02-17 8:23 ` [PATCHv2 10/11] scsi: allocate reserved commands Hannes Reinecke
2017-02-17 8:55 ` Christoph Hellwig
2017-02-17 9:00 ` Hannes Reinecke
2017-02-17 12:37 ` Christoph Hellwig [this message]
2017-02-17 8:23 ` [PATCHv2 11/11] mpt3sas: register " Hannes Reinecke
2017-02-17 12:38 ` Christoph Hellwig
2017-02-17 13:18 ` Hannes Reinecke
2017-02-17 13:23 ` Christoph Hellwig
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