Re: [PATCH BUGFIX IMPROVEMENT 1/1] block, bfq: check also in-flight I/O in dispatch plugging

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To: Paolo Valente <paolo.valente@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>
Subject: Re: [PATCH BUGFIX IMPROVEMENT 1/1] block, bfq: check also in-flight I/O in dispatch plugging
From: Holger Hoffstätte <holger@xxxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 15 Jul 2019 12:16:37 +0200
Cc: linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, ulf.hansson@xxxxxxxxxx, linus.walleij@xxxxxxxxxx, bfq-iosched@xxxxxxxxxxxxxxxx, oleksandr@xxxxxxxxxxxxxx
In-reply-to: <20190715093153.19821-2-paolo.valente@linaro.org>
Organization: Applied Asynchrony, Inc.
References: <20190715093153.19821-1-paolo.valente@linaro.org> <20190715093153.19821-2-paolo.valente@linaro.org>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0


Paolo,

The function idling_needed_for_service_guarantees() was just removed in 5.3-commit
3726112ec731 ("block, bfq: re-schedule empty queues if they deserve I/O plugging").
See [1].

cheers
Holger

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/block/bfq-iosched.c?id=3726112ec7316068625a1adefa101b9522c588ba

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References:
- [PATCH BUGFIX IMPROVEMENT 0/1] block, bfq: eliminate latency regression with fast drives
  - From: Paolo Valente
- [PATCH BUGFIX IMPROVEMENT 1/1] block, bfq: check also in-flight I/O in dispatch plugging
  - From: Paolo Valente

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