linux-kernel - [PATCH BUGFIX 0/1] block, bfq: a bugfix for stable merge

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Message-Id: <20210512094352.85545-1-paolo.valente@linaro.org>
Date:   Wed, 12 May 2021 11:43:51 +0200
From:   Paolo Valente <paolo.valente@...aro.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...hat.com, Paolo Valente <paolo.valente@...aro.org>
Subject: [PATCH BUGFIX 0/1] block, bfq: a bugfix for stable merge

Hi,
this patch fixes a bug I've found while debugging a failure reported
by Yi Zhang [1].

This patch seems to make that failure disappear [1]. Yet it was tested
only together with other debug patches (which add logs and invariant
checks), so I don't know whether the other patches influenced the
outcome as well. At any rate, this patch does fix a bug.

Thanks,
Paolo

[1] https://www.spinics.net/lists/linux-block/msg67840.html

Paolo Valente (1):
  block, bfq: avoid circular stable merges

 block/bfq-iosched.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

--
2.20.1