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

[Bart Van Assche]

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.