linux-ext4 - [Bug 201685] ext4 file system corruption

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Message-ID: <bug-201685-13602-gVSMXKGvul@https.bugzilla.kernel.org/>
Date:   Tue, 04 Dec 2018 22:50:14 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 201685] ext4 file system corruption

https://bugzilla.kernel.org/show_bug.cgi?id=201685

Jens Axboe (axboe@...nel.dk) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #279855|0                           |1
        is obsolete|                            |

--- Comment #255 from Jens Axboe (axboe@...nel.dk) ---
Created attachment 279857
  --> https://bugzilla.kernel.org/attachment.cgi?id=279857&action=edit
4.19/4.20 patch v3

Here's the one I sent upstream, also tested this one. Should be the safest of
them all, as we set REQ_NOMERGE at the source of when we attempt to queue it.
That'll cover all cases, guaranteed.

The folks that have seen this, please try this patch on top of 4.19 or 4.20-rc
and report back.

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