linux-ext4 - Re: [PATCH v9 00/31] file system-wide error monitoring

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Date:   Wed, 27 Oct 2021 10:03:13 -0300
From:   Gabriel Krisman Bertazi <krisman@...labora.com>
To:     Amir Goldstein <amir73il@...il.com>
Cc:     Jan Kara <jack@...e.cz>, Jan Kara <jack@...e.com>,
        "Darrick J. Wong" <djwong@...nel.org>,
        Theodore Tso <tytso@....edu>,
        Dave Chinner <david@...morbit.com>,
        David Howells <dhowells@...hat.com>,
        Khazhismel Kumykov <khazhy@...gle.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>,
        Ext4 <linux-ext4@...r.kernel.org>, kernel@...labora.com
Subject: Re: [PATCH v9 00/31] file system-wide error monitoring

Amir Goldstein <amir73il@...il.com> writes:

> On Wed, Oct 27, 2021 at 2:22 PM Jan Kara <jack@...e.cz> wrote:
>>
>> On Tue 26-10-21 12:12:38, Amir Goldstein wrote:
>> > On Mon, Oct 25, 2021 at 10:27 PM Gabriel Krisman Bertazi
>> > <krisman@...labora.com> wrote:
>> > >
>> > > Hi,
>> > >
>> > > This is the 9th version of this patch series.  Thank you, Amir, Jan and
>> > > Ted, for the feedback in the previous versions.
>> > >
>> > > The main difference in this version is that the pool is no longer
>> > > resizeable nor limited in number of marks, even though we only
>> > > pre-allocate 32 slots.  In addition, ext4 was modified to always return
>> > > non-zero errno, and the documentation was fixed accordingly (No longer
>> > > suggests we return EXT4_ERR* values.
>> > >
>> > > I also droped the Reviewed-by tags from the ext4 patch, due to the
>> > > changes above.
>> > >
>> > > Please let me know what you think.
>> > >
>> >
>> > All good on my end.
>> > I've made a couple of minor comments that
>> > could be addressed on commit if no other issues are found.
>>
>> All good on my end as well. I've applied all the minor updates, tested the
>> result and pushed it out to fsnotify branch of my tree. WRT to your new
>> FS_ERROR LTP tests, I've noticed that the testcases 1 and 3 from test
>> fanotify20 fail for me. After a bit of debugging this seems to be a bug in
>> ext4 where it calls ext4_abort() with EXT4_ERR_ESHUTDOWN instead of plain
>> ESHUTDOWN. Not sure if you have that fixed or how come the tests passed for
>> you. After fixing that ext4 bug everything passes for me.
>>
>
> Gabriel mentioned that bug in the cover letter of the LTP series :-)
> https://lore.kernel.org/linux-ext4/20211026173302.84000-1-krisman@collabora.com/T/#u

Yes :)

Also, thank you both for the extensive review and ideas during the
development of this series.  It was really appreciated!

I'm sending out the new version for tests + man pages today.

-- 
Gabriel Krisman Bertazi