From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 201685] ext4 file system corruption
Date: Tue, 04 Dec 2018 18:22:40 +0000 [thread overview]
Message-ID: <bug-201685-13602-xqc5s3y2zD@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-201685-13602@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=201685
--- Comment #228 from Guenter Roeck (linux@roeck-us.net) ---
I guess I should have been more specific. With CONFIG_SCSI_MQ_DEFAULT=y (or
scsi_mod.use_blk_mq=1), cfq is not available. That applies to any kernel
version with CONFIG_SCSI_MQ_DEFAULT=y (or scsi_mod.use_blk_mq=1), not just to
4.19, and it doesn't apply to 4.19 if CONFIG_SCSI_MQ_DEFAULT=n (or
scsi_mod.use_blk_mq=0).
It is quite irrelevant if other schedulers are available if
CONFIG_SCSI_MQ_DEFAULT=y (or scsi_mod.use_blk_mq=1). cfq is not available, and
it doesn't matter if it is set as default or not.
I hope this is specific enough this time. My apologies if I missed some other
means to enable or disable blk_mq.
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2018-11-13 19:42 [Bug 201685] New: ext4 file system corruption bugzilla-daemon
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2018-12-05 10:17 ` [Bug 201685] Incorrect disk writes caused by blk-mq lead to " bugzilla-daemon
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