From: keith.busch@intel.com (Keith Busch)
Subject: Question about ioctl interface - IO passthru
Date: Thu, 31 Jan 2019 07:55:39 -0700 [thread overview]
Message-ID: <20190131145539.GB19637@localhost.localdomain> (raw)
In-Reply-To: <CAPrnrPBpcuh2r40Bxzrq=PmDAaemnOvd4Or2nKFCannQ6oGkGg@mail.gmail.com>
On Thu, Jan 31, 2019@04:09:18PM +0200, Eyal BenDavid wrote:
> What is the difference from using "nvme_user_io" structure?
> Is it safe to use this version of IO commands?
The passthru structure is good to use for any command. The
nvme_user_io structure is a legacy feature from very early nvme days
when read/write/compare were the only IO commands. It didn't extend to
other IO commands, and deprecating it wouldn't be a bad thing.
next prev parent reply other threads:[~2019-01-31 14:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-31 14:09 Question about ioctl interface - IO passthru Eyal BenDavid
2019-01-31 14:55 ` Keith Busch [this message]
2019-01-31 18:08 ` Eyal BenDavid
2019-01-31 18:39 ` Chaitanya Kulkarni
2019-01-31 19:05 ` Keith Busch
-- strict thread matches above, loose matches on Subject: below --
2019-01-31 13:59 Eyal BenDavid
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