linux-ext4 - [Bug 50981] ext4 : DATA CORRUPTION read and write on same 4096 page range

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Message-Id: <20121126103013.637D411FB81@bugzilla.kernel.org>
Date:	Mon, 26 Nov 2012 10:30:13 +0000 (UTC)
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 50981] ext4 : DATA CORRUPTION read and write on same 4096 page 
 range

https://bugzilla.kernel.org/show_bug.cgi?id=50981





--- Comment #4 from Lukas Czerner <lczerner@...hat.com>  2012-11-26 10:30:13 ---
Yes, that's what I said XFS has its own read/write exclusion. However we're
reading/writing a single page here and page read/write shoud be atomic so we
should _not_ see page with mixed data. Basically the page should be locked when
we copy data from/to it,

-Lukas

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