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From: Jason Gunthorpe <jgg@mellanox.com>
To: Sergey Gorenko <sergeygo@mellanox.com>
Cc: "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
	"sagi@grimberg.me" <sagi@grimberg.me>,
	Max Gurtovoy <maxg@mellanox.com>
Subject: Re: [PATCH v1] IB/iser: Support up to 16MB data transfer in a single command
Date: Thu, 12 Sep 2019 15:19:47 +0000	[thread overview]
Message-ID: <20190912151931.GA15637@mellanox.com> (raw)
In-Reply-To: <20190912103534.18210-1-sergeygo@mellanox.com>

On Thu, Sep 12, 2019 at 10:35:34AM +0000, Sergey Gorenko wrote:
> Maximum supported IO size is 8MB for the iSER driver. The
> current value is limited by the ISCSI_ISER_MAX_SG_TABLESIZE
> macro. But the driver is able to handle 16MB IOs without any
> significant changes. Increasing this limit can be useful for
> the storage arrays which are fine tuned for IOs larger than
> 8 MB.
> 
> This commit allows to configure maximum IO size up to 16MB
> using the max_sectors module parameter.
> 
> Signed-off-by: Sergey Gorenko <sergeygo@mellanox.com>
> Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
> Acked-by: Sagi Grimberg <sagi@grimberg.me>
> ---
> Changes from v0:
> - Change 512 to SECTOR_SIZE (suggested by Sagi)
> 
>  drivers/infiniband/ulp/iser/iscsi_iser.h | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Applied to for-next with Sagi's ack

Thanks,
Jason

  reply	other threads:[~2019-09-12 15:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-12 10:35 [PATCH v1] IB/iser: Support up to 16MB data transfer in a single command Sergey Gorenko
2019-09-12 15:19 ` Jason Gunthorpe [this message]
2019-09-12 21:14   ` Max Gurtovoy
2019-09-12 21:45     ` Sagi Grimberg

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