From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Jens Axboe <axboe@kernel.dk>, Hannes Reinecke <hare@suse.com>,
Paul Mackerras <paulus@ozlabs.org>,
Juergen Gross <jgross@suse.com>,
linux-scsi@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH 2/9] scsi: introduce a max_segment_size host_template parameters
Date: Tue, 11 Dec 2018 15:05:49 +0100 [thread overview]
Message-ID: <20181211140549.GA8473@lst.de> (raw)
In-Reply-To: <20181211020237.GB27651@ming.t460p>
On Tue, Dec 11, 2018 at 10:02:38AM +0800, Ming Lei wrote:
> Just one concern, max segment size is often related with one specific
> controller's DMA capability.
>
> Is it possible that HBAs have different segment size, but all are driven
> by same driver(shared scsi_host_template)?
It is support just like most other attributes - by having one variable
in the host template and one in the host, allowing the driver to
override the per-host one between scsi_host_alloc and scsi_add_host.
next prev parent reply other threads:[~2018-12-11 14:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-06 15:52 remove the "clustering" flag Christoph Hellwig
2018-12-06 15:52 ` [PATCH 1/9] scsi: flip the default on use_clustering Christoph Hellwig
2018-12-06 17:05 ` Bart Van Assche
2018-12-06 15:52 ` [PATCH 2/9] scsi: introduce a max_segment_size host_template parameters Christoph Hellwig
2018-12-06 17:15 ` Bart Van Assche
2018-12-11 2:02 ` Ming Lei
2018-12-11 14:05 ` Christoph Hellwig [this message]
2018-12-06 15:52 ` [PATCH 3/9] myrb: remove the DISABLE_CLUSTERING flag Christoph Hellwig
2018-12-06 15:52 ` [PATCH 4/9] myrs: " Christoph Hellwig
2018-12-06 15:52 ` [PATCH 5/9] xen-scsifront: remove DISABLE_CLUSTERING Christoph Hellwig
2018-12-06 15:52 ` [PATCH 6/9] mesh: " Christoph Hellwig
2018-12-06 22:07 ` Paul Mackerras
2018-12-06 15:52 ` [PATCH 7/9] mac53c94: " Christoph Hellwig
2018-12-06 22:07 ` Paul Mackerras
2018-12-06 15:52 ` [PATCH 8/9] scsi: remove the use_clustering flag Christoph Hellwig
2018-12-06 17:13 ` Bart Van Assche
2018-12-08 17:51 ` Christoph Hellwig
2018-12-06 15:52 ` [PATCH 9/9] block: remove the cluster flag Christoph Hellwig
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