From: sagig@dev.mellanox.co.il (Sagi Grimberg)
Subject: Maximum NVMe IO command size > 1MB?
Date: Thu, 7 Jan 2016 13:39:22 +0200 [thread overview]
Message-ID: <568E4E6A.5000907@dev.mellanox.co.il> (raw)
In-Reply-To: <680a6c16f5464419b7e1974d04026951@SC-EXCH01.marvell.com>
> The value is 2048, which seems to be 2MB.
I think 2048 is 1MB...
max_transfer_size = max_sectors_kb * sector_size =
2048K * 512 = 1MB
I don't think it's coming from any other limitation in
the block layer since I'm able to transfer 8M and more in
a single request with iser.
next prev parent reply other threads:[~2016-01-07 11:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-06 19:23 Maximum NVMe IO command size > 1MB? Xuehua Chen
2016-01-06 19:31 ` Keith Busch
2016-01-06 19:51 ` Xuehua Chen
2016-01-06 21:56 ` Xuehua Chen
2016-01-06 22:54 ` Keith Busch
2016-01-07 17:38 ` Xuehua Chen
2016-01-10 22:16 ` Xuehua Chen
2016-01-07 11:39 ` Sagi Grimberg [this message]
2016-01-07 17:34 ` Xuehua Chen
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