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Date:   Fri, 9 Oct 2020 12:48:53 +0530
From:   Ritesh Harjani <>
        "Aneesh Kumar K . V" <>
Subject: Re: [PATCH 1/1] ext4: Fix bs < ps issue reported with dioread_nolock
 mount opt

On 10/9/20 12:16 PM, Sedat Dilek wrote:
> On Thu, Oct 8, 2020 at 5:56 PM Ritesh Harjani <> wrote:
>> left shifting m_lblk by blkbits was causing value overflow and hence
>> it was not able to convert unwritten to written extent.
>> So, make sure we typecast it to loff_t before do left shift operation.
>> Also in func ext4_convert_unwritten_io_end_vec(), make sure to initialize
>> ret variable to avoid accidentally returning an uninitialized ret.
>> This patch fixes the issue reported in ext4 for bs < ps with
>> dioread_nolock mount option.
>> Fixes: c8cc88163f40df39e50c ("ext4: Add support for blocksize < pagesize in dioread_nolock")
> Fixes: tag should be 12 digits (see [1]).
> ( Seen while walking through ext-dev Git commits. )

Thanks Sedat, I guess it should be minimum 12 chars [1]



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