linux-ext4 - [Bug 71791] Unlinking a file that was moved to another folder but still open by other process blocks either process (not always reproducible)

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Message-ID: <bug-71791-13602-4LFzENGHK3@https.bugzilla.kernel.org/>
Date:	Tue, 11 Mar 2014 20:14:17 +0000
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 71791] Unlinking a file that was moved to another folder but
 still open by other process blocks either process (not always reproducible)

https://bugzilla.kernel.org/show_bug.cgi?id=71791

Jan Kara <jack@...e.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
                 CC|                            |jack@...e.cz

--- Comment #1 from Jan Kara <jack@...e.cz> ---
So one note is that we are likely waiting for writeback on some page in that
file to finish. Another note is that I don't think another process has the file
open - the stacktrace clearly shows that we are completely deleting the file
which means noone can have the file open (if you can really show otherwise, it
would be a major bug).

I guess the file has been written quite recently and the filesystem is quite
loaded with the IO, isn't it?

Can you try mounting the filesystem with 'noauto_da_alloc' mount option?

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