From: Christoph Hellwig <hch@infradead.org>
To: David Disseldorp <ddiss@suse.de>
Cc: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org,
martin.petersen@oracle.com, bvanassche@acm.org
Subject: Re: [RFC PATCH 4/5] scsi: target: increase XCOPY I/O size
Date: Tue, 24 Mar 2020 02:16:52 -0700 [thread overview]
Message-ID: <20200324091652.GD18399@infradead.org> (raw)
In-Reply-To: <20200323165410.24423-5-ddiss@suse.de>
On Mon, Mar 23, 2020 at 05:54:09PM +0100, David Disseldorp wrote:
> The I/O size is already bound by dev_attrib.hw_max_sectors, so increase
> the hardcoded XCOPY_MAX_SECTORS maximum to improve performance against
> backstores with high-latency.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: David Disseldorp <ddiss@suse.de>
Cc: target-devel@vger.kernel.org, linux-scsi@vger.kernel.org,
martin.petersen@oracle.com, bvanassche@acm.org
Subject: Re: [RFC PATCH 4/5] scsi: target: increase XCOPY I/O size
Date: Tue, 24 Mar 2020 09:16:52 +0000 [thread overview]
Message-ID: <20200324091652.GD18399@infradead.org> (raw)
In-Reply-To: <20200323165410.24423-5-ddiss@suse.de>
On Mon, Mar 23, 2020 at 05:54:09PM +0100, David Disseldorp wrote:
> The I/O size is already bound by dev_attrib.hw_max_sectors, so increase
> the hardcoded XCOPY_MAX_SECTORS maximum to improve performance against
> backstores with high-latency.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2020-03-24 9:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-23 16:54 [RFC PATCH 0/5] scsi: target: XCOPY performance David Disseldorp
2020-03-23 16:54 ` David Disseldorp
2020-03-23 16:54 ` [RFC PATCH 1/5] scsi: target: use #def for xcopy descriptor len David Disseldorp
2020-03-23 16:54 ` David Disseldorp
2020-03-24 9:06 ` Christoph Hellwig
2020-03-24 9:06 ` Christoph Hellwig
2020-03-23 16:54 ` [RFC PATCH 2/5] scsi: target: drop xcopy DISK BLOCK LENGTH debug David Disseldorp
2020-03-23 16:54 ` David Disseldorp
2020-03-24 9:07 ` Christoph Hellwig
2020-03-24 9:07 ` Christoph Hellwig
2020-03-23 16:54 ` [RFC PATCH 3/5] scsi: target: avoid per-loop XCOPY buffer allocations David Disseldorp
2020-03-23 16:54 ` David Disseldorp
2020-03-24 9:16 ` Christoph Hellwig
2020-03-24 9:16 ` Christoph Hellwig
2020-03-23 16:54 ` [RFC PATCH 4/5] scsi: target: increase XCOPY I/O size David Disseldorp
2020-03-23 16:54 ` David Disseldorp
2020-03-24 9:16 ` Christoph Hellwig [this message]
2020-03-24 9:16 ` Christoph Hellwig
2020-03-23 16:54 ` [RFC PATCH 5/5] scsi: target: avoid XCOPY per-loop read/write cmd allocations David Disseldorp
2020-03-23 16:54 ` David Disseldorp
2020-03-24 9:23 ` Christoph Hellwig
2020-03-24 9:23 ` Christoph Hellwig
2020-03-26 21:20 ` David Disseldorp
2020-03-26 21:20 ` David Disseldorp
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