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From: bugzilla-daemon@bugzilla.kernel.org
To: linux-ext4@vger.kernel.org
Subject: [Bug 15231] kernel BUG at fs/ext4/inode.c:1852!
Date: Tue, 9 Feb 2010 18:27:44 GMT	[thread overview]
Message-ID: <201002091827.o19IRiC5018525@demeter.kernel.org> (raw)
In-Reply-To: <bug-15231-13602@http.bugzilla.kernel.org/>

http://bugzilla.kernel.org/show_bug.cgi?id=15231





--- Comment #8 from Theodore Tso <tytso@mit.edu>  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;

  parent reply	other threads:[~2010-02-09 18:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-05  9:38 [Bug 15231] New: BUG: soft lockup - CPU#3 stuck for 61s bugzilla-daemon
2010-02-05  9:43 ` [Bug 15231] " bugzilla-daemon
2010-02-05  9:50 ` [Bug 15231] kernel BUG at fs/ext4/inode.c:1852! bugzilla-daemon
2010-02-09  1:05 ` bugzilla-daemon
2010-02-09  1:06 ` bugzilla-daemon
2010-02-09  3:52 ` bugzilla-daemon
2010-02-09  3:57 ` bugzilla-daemon
2010-02-09 18:09 ` bugzilla-daemon
2010-02-09 18:27 ` bugzilla-daemon [this message]
2010-02-09 18:30 ` bugzilla-daemon
2010-02-10  3:26 ` bugzilla-daemon
2010-02-11  3:53 ` bugzilla-daemon
2010-02-11  4:48 ` bugzilla-daemon
2010-02-11  5:13 ` bugzilla-daemon
2010-02-11  5:22 ` bugzilla-daemon
2010-02-12  3:29 ` bugzilla-daemon
2010-02-15 17:14 ` bugzilla-daemon
2010-02-16  0:49 ` bugzilla-daemon
2010-02-16  6:45 ` bugzilla-daemon
     [not found] <bug-15231-13602@https.bugzilla.kernel.org/>
2012-05-14 15:06 ` bugzilla-daemon
2012-05-14 15:06 ` bugzilla-daemon

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