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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 72181] ext4_mb_generate_buddy:free block calculation seems to overflow
Date: Mon, 17 Mar 2014 02:08:42 +0000	[thread overview]
Message-ID: <bug-72181-13602-peq0OKLQhX@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-72181-13602@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=72181

--- Comment #2 from WeiZhang <zweiustc@gmail.com> ---
(In reply to WeiZhang from comment #1)
> usually, we just get a wrong number of "free" from bitmap while bitmap is
> corrupted. but it should not larger than "max = EXT4_CLUSTERS_PER_GROUP(sb)"
> right?

i add some printk and confirmed there is some wrong in ext4_grp_locked_error.
the "free" is in the right range. Seems that the bitmap is still corrupted with
the patch(ext4: fix the free blocks calculation for ext3 file systems w/
uninit_bg). I will look into it right now. Thx

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  parent reply	other threads:[~2014-03-17  2:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-16  4:17 [Bug 72181] New: ext4_mb_generate_buddy:free block calculation seems to overflow bugzilla-daemon
2014-03-16  4:22 ` [Bug 72181] " bugzilla-daemon
2014-03-17  2:08 ` bugzilla-daemon [this message]
2014-03-17  7:01 ` bugzilla-daemon
2014-03-18  2:40 ` [Bug 72181] ext4_mb_generate_buddy:22764 clusters in bitmap, 22762 in gd bugzilla-daemon

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