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Re: [PATCH 4/8] cfq-iosched: minor cleanups

From Jeff Moyer <jmoyer@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 4/8] cfq-iosched: minor cleanups
Date 2015-06-08 21:10 +0200
Message-ID <pzaAO-7UC-13@gated-at.bofh.it> (permalink)
References <pz14t-1Vl-9@gated-at.bofh.it> <pz1ea-2mm-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Tejun Heo <tj@kernel.org> writes:

> * Some were accessing cic->cfqq[] directly.  Always use cic_to_cfqq()
>   and cic_set_cfqq().
>
> * check_ioprio_changed() doesn't need to verify cfq_get_queue()'s
>   return for NULL.  It's always non-NULL.  Simplify accordingly.
>
> This patch doesn't cause any functional changes.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Vivek Goyal <vgoyal@redhat.com>
> Cc: Arianna Avanzini <avanzini.arianna@gmail.com>

Looks good.  I don't much like the "bool is_sync" function parameters.
Calls to cic_to_cfqq, cic_set_cfqq, etc would be much easier to read if
they took BLK_RW_SYNC and BLK_RW_ASYNC.  Certainly not a problem with
this patch, though, just a general observation.

Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
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Re: [PATCH 4/8] cfq-iosched: minor cleanups Jeff Moyer <jmoyer@redhat.com> - 2015-06-08 21:10 +0200

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