linux-kernel - Re: [RFC 0/5] fs: replace kthread freezing with filesystem freeze/thaw

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Message-ID: <1507064365.2567.36.camel@wdc.com>
Date:   Tue, 3 Oct 2017 20:59:26 +0000
From:   Bart Van Assche <Bart.VanAssche@....com>
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        "mcgrof@...nel.org" <mcgrof@...nel.org>
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Subject: Re: [RFC 0/5] fs: replace kthread freezing with filesystem
 freeze/thaw

On Tue, 2017-10-03 at 13:47 -0700, Matthew Wilcox wrote:
> The SCSI layer can send SCSI commands; they aren't I/Os in the sense that
> they do reads and writes to media, but they are block requests.  Maybe those
> should be allowed even to frozen devices?

Hello Matthew,

I think only RQF_PM requests should be processed for frozen SCSI devices
and no other requests.

Bart.