linux-ext4 - [Bug 200753] write I/O error for inode structure leads to operation failure without any warning or error

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Message-ID: <bug-200753-13602-yEmhlGmUuC@https.bugzilla.kernel.org/>
Date:   Tue, 07 Aug 2018 15:02:10 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...nel.org
Subject: [Bug 200753] write I/O error for inode structure leads to operation
 failure without any warning or error

https://bugzilla.kernel.org/show_bug.cgi?id=200753

--- Comment #13 from Eric Sandeen (sandeen@...deen.net) ---
To some of Ted's point, I agree and was going to make a similar observation - a
real disk error would have led to /some/ error message from somewhere lower in
teh stack, whether from the scsi layer, lvm, or whatever.  If the custom dm
target here silently returns an error, that's different behavior than you'd
typically see upstream.

It leave the open question of "should ext4 printk something as well" but in the
real world it'd be much more surprising to see a completely silent EIO from
disk.

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