linux-ext4 - [Bug 15579] ext4 -o discard produces incorrect blocks of zeroes in newly created files under heavy read+truncate+append-new-file load

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Message-Id: <201003232101.o2NL1A0k008597@demeter.kernel.org>
Date:	Tue, 23 Mar 2010 21:01:10 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 15579] ext4 -o discard produces incorrect blocks of zeroes in
 newly created files under heavy read+truncate+append-new-file load

https://bugzilla.kernel.org/show_bug.cgi?id=15579


Greg.Freemyer@...il.com changed:

           What    |Removed                     |Added
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                 CC|                            |Greg.Freemyer@...il.com




--- Comment #7 from Greg.Freemyer@...il.com  2010-03-23 21:01:04 ---
If the number of available unmapped blocks has an impact, that seems most
likely to be a SSD firmware bug to me.

ie. If the linux kernel is sending control messages in the wrong order, then it
should cause corruption regardless of the number of unmapped blocks.

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