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From: Tony Battersby <tonyb@cybernetics.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
	James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: Jann Horn <jannh@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux SCSI List <linux-scsi@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Re: [GIT PULL] SCSI fixes for 4.18-rc3
Date: Tue, 10 Jul 2018 17:53:18 -0400	[thread overview]
Message-ID: <70d566f0-2dda-60c2-7c7a-e09e371f8607@cybernetics.com> (raw)
In-Reply-To: <CA+55aFwg-2GP4ASTdd1pusmZkF7c8AN9febVDCaioDxzYJSLfw@mail.gmail.com>

At my job (https://www.cybernetics.com/), I use the write()/read()
interface to the SCSI generic driver for access to tape drives and tape
medium changers.  For example, the write()/read() interface is useful
for implementing RAID-like functionality for tape drives since a single
thread can send commands to multiple tape drives at once and poll() for
command completion.  We have a lot of code invested in this interface,
so it would be a huge pain for us if it were removed.  But in our case,
everything runs as root (as the firmware of an embedded storage
appliance), so extra permission checks should be OK.

Tony Battersby
Cybernetics

  parent reply	other threads:[~2018-07-10 22:12 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-06 21:38 [GIT PULL] SCSI fixes for 4.18-rc3 James Bottomley
2018-07-07  2:31 ` Linus Torvalds
2018-07-07  2:39   ` Linus Torvalds
2018-07-07  2:48     ` Linus Torvalds
2018-07-07  5:22       ` James Bottomley
2018-07-10  0:41         ` Linus Torvalds
2018-07-10 17:36           ` Jann Horn
2018-07-10 17:49             ` Linus Torvalds
2018-07-10 18:04               ` Linus Torvalds
2018-07-10 21:53           ` Tony Battersby [this message]
2018-07-10 22:24             ` Linus Torvalds
2018-07-11  0:40               ` Linus Torvalds
2018-07-11  6:45             ` Christoph Hellwig
2018-07-11 13:56               ` Tony Battersby
2018-07-16 16:20           ` Jann Horn
2018-07-07  3:08     ` Jann Horn
2018-07-07  3:25       ` Linus Torvalds

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