linux-ext4 - Re: ENOSPC inline

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Message-ID: <20200302070417.ldaoyxenqkixny43@xzhoux.usersys.redhat.com>
Date:   Mon, 2 Mar 2020 15:04:17 +0800
From:   Murphy Zhou <jencce.kernel@...il.com>
To:     "Theodore Y. Ts'o" <tytso@....edu>
Cc:     Murphy Zhou <jencce.kernel@...il.com>, linux-ext4@...r.kernel.org
Subject: Re: ENOSPC inline_data fsck failure

On Sat, Feb 29, 2020 at 01:17:11PM -0500, Theodore Y. Ts'o wrote:
> On Fri, Feb 28, 2020 at 06:52:34PM +0800, Murphy Zhou wrote:
> > 
> > With inline_data mkfs option, generic/083 can easily trigger
> > a fsck failure like this:
> > 
> > The testcase is doing a simple testing: make a small(256M) fs,
> > run fsstress in it,  make it out of space. Then fsck.
> > 
> > Not sure about is this an issue of ext4 filesystem or e2fsck
> > needs more options.
> 
> This is an ext4 bug.  It's been on my radar screen to investigate one
> of these days, but I've just never gotten around to it.  I'm guessing
> the bug is the error handling case when an inline directory is getting
> converted directory where its contents are stored in data blocks, and
> the block allocation fails due to the ENOSPC.
> 
> 						- Ted

Thanks Ted for the confirmation!

-- 
Murphy