From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 15231] kernel BUG at fs/ext4/inode.c:1852!
Date: Tue, 9 Feb 2010 18:27:44 GMT
Message-ID: <201002091827.o19IRiC5018525@demeter.kernel.org>
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--- Comment #8 from Theodore Tso 2010-02-09 18:27:22 ---
Well, the BUG_ON getting tripped as reported in comment #1 in this bug is:
BUG_ON(mdblocks < EXT4_I(inode)->i_reserved_meta_blocks);
... and the commit 39bc680a does mess with how i_reserved_meta_blocks is
calculated.
@@ -1836,10 +1834,11 @@ repeat:
}
return -ENOSPC;
}
+ spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
EXT4_I(inode)->i_reserved_data_blocks += nrblocks;
- EXT4_I(inode)->i_reserved_meta_blocks = mdblocks;