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Date:   Fri, 9 Oct 2020 12:28:40 +0200
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Ritesh Harjani <riteshh@...ux.ibm.com>
Cc:     linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        tytso@....edu, jack@...e.cz, anju@...ux.vnet.ibm.com,
        "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>
Subject: Re: [PATCH 1/1] ext4: Fix bs < ps issue reported with dioread_nolock
 mount opt

On Fri, Oct 9, 2020 at 12:18 PM Sedat Dilek <sedat.dilek@...il.com> wrote:
>
> On Fri, Oct 9, 2020 at 9:19 AM Ritesh Harjani <riteshh@...ux.ibm.com> wrote:
> >
> >
> >
> > On 10/9/20 12:16 PM, Sedat Dilek wrote:
> > > On Thu, Oct 8, 2020 at 5:56 PM Ritesh Harjani <riteshh@...ux.ibm.com> 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]
> >
> > [1]:
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst#n177
> >
>
> OK.
>
> In my ~/.gitconfig:
>
> [core]
>        abbrev = 12
>
> # Check for 'Fixes:' tag used in the Linux-kernel development process
> (Thanks Kalle Valo).
> # Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst
> # Usage: $ git log --format=fixes | head -5
> [pretty]
>    fixes = Fixes: %h (\"%s\")
>
> Hope this is useful for others.
>

Changed to...

Link: https://www.kernel.org/doc/html/latest/process/submitting-patches.html

- Sedat -

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