From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 25352] resizing ext4 will corrupt filesystem
Date: Tue, 21 Dec 2010 03:33:50 GMT
Message-ID: <201012210333.oBL3XoWK015485@demeter2.kernel.org>
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--- Comment #2 from Theodore Tso 2010-12-21 03:33:48 ---
Created an attachment (id=41142)
--> (https://bugzilla.kernel.org/attachment.cgi?id=41142)
Proposed patch
Yes, this is a regression new to 2.6.37-rc1, which was introduced by
commit a31437b85: ext4: use sb_issue_zeroout in setup_new_group_blocks.
When we replaced the loop zero'ing the inode table blocks with
sb_issue_zeroout, we accidentally also removed this little tidbit:
- ext4_set_bit(bit, bh->b_data);
... which was responsible for setting the block allocation bitmap to
reserve the block descriptor blocks and inode table blocks. Oops...
I believe this patch should fix things.
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