Messages in this thread | | | Date | Tue, 3 Oct 2017 22:24:51 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [RFC 5/5] pm: remove kernel thread freezing |
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On Tue, 3 Oct 2017, Bart Van Assche wrote:
> If just a single driver would use that API to prevent that I/O occurs while > processes are frozen then this patch will break that driver. I would like to > know your opinion about the following patch in particular: "[PATCH v4 1/7] md: > Make md resync and reshape threads freezable" > (https://www.spinics.net/lists/linux-block/msg17854.html).
Alright, if there are kthreads which are actually *creating* new I/O (contrary to kthreads being I/O completion helpers) -- which apparently is the md case here, then those definitely have to be frozen in some form.
-- Jiri Kosina SUSE Labs
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