From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Ritesh Harjani <riteshh@linux.ibm.com>
Cc: linux-ext4@vger.kernel.org, Jan Kara <jack@suse.cz>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>
Subject: Re: [PATCH] ext4: Don't set dioread_nolock by default for blocksize < pagesize
Date: Sat, 28 Mar 2020 22:17:28 -0400 [thread overview]
Message-ID: <20200329021728.GI53396@mit.edu> (raw)
In-Reply-To: <20200327200744.12473-1-riteshh@linux.ibm.com>
On Sat, Mar 28, 2020 at 01:37:44AM +0530, Ritesh Harjani wrote:
> Currently on calling echo 3 > drop_caches on host machine, we see
> FS corruption in the guest. This happens on Power machine where
> blocksize < pagesize.
>
> So as a temporary workaound don't enable dioread_nolock by default
> for blocksize < pagesize until we identify the root cause.
>
> Also emit a warning msg in case if this mount option is manually
> enabled for blocksize < pagesize.
>
> Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
> Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Thanks, applied.
- Ted
next prev parent reply other threads:[~2020-03-29 2:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-18 3:47 Ext4 corruption with VM images as 3 > drop_caches Aneesh Kumar K.V
2020-03-19 13:24 ` Ritesh Harjani
2020-03-19 16:36 ` Jan Kara
2020-03-20 4:07 ` Aneesh Kumar K.V
2020-03-20 5:34 ` Ritesh Harjani
2020-03-20 11:49 ` Jan Kara
2020-03-21 3:22 ` Ritesh Harjani
2020-03-27 20:07 ` [PATCH] ext4: Don't set dioread_nolock by default for blocksize < pagesize Ritesh Harjani
2020-03-29 2:17 ` Theodore Y. Ts'o [this message]
2020-05-11 8:07 ` Ritesh Harjani
2020-05-12 11:45 ` Greg KH
2020-05-12 12:50 ` Ritesh Harjani
2020-05-12 12:59 ` Greg KH
2020-05-12 14:13 ` Sasha Levin
2020-05-12 16:12 ` Greg KH
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