linux-ext4 - [Bug 14972] [regression] msync() call on ext4 causes disk thrashing

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Message-Id: <201001021654.o02GsTBh017105@demeter.kernel.org>
Date:	Sat, 2 Jan 2010 16:54:29 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 14972] [regression] msync() call on ext4 causes disk thrashing

http://bugzilla.kernel.org/show_bug.cgi?id=14972





--- Comment #5 from Artem S. Tashkinov <t.artem@...lcity.com>  2010-01-02 16:54:28 ---
What debug options are needed for blktrace?

blktrace /dev/sda
Invalid debug path /sys/kernel/debug: 2/No such file or directory

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