Linux Btrfs filesystem development
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From: David Sterba <dave@jikos.cz>
To: Jacek Luczak <difrost.kernel@gmail.com>
Cc: linux-btrfs <linux-btrfs@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	josef@redhat.com
Subject: Re: kernel BUG at fs/btrfs/delayed-inode.c:1466!
Date: Thu, 8 Mar 2012 16:52:11 +0100	[thread overview]
Message-ID: <20120308155211.GF4334@twin.jikos.cz> (raw)
In-Reply-To: <CADDYkjQHvmfhmsdt7K0O74DZK6BVqxPaWh_jEi8uJ_HBEz-QhQ@mail.gmail.com>

On Thu, Mar 08, 2012 at 01:10:45PM +0100, Jacek Luczak wrote:
> kernel BUG at fs/btrfs/delayed-inode.c:1466!

1461         ret = btrfs_delayed_item_reserve_metadata(trans, root, item);
1462         /*
1463          * we have reserved enough space when we start a new transaction,
1464          * so reserving metadata failure is impossible.
1465          */
1466         BUG_ON(ret);

> RAX: 00000000ffffffe4

ENOSPC

>  [<ffffffffa03210e5>] ? __btrfs_unlink_inode+0x172/0x25e [btrfs]
>  [<ffffffffa032158c>] ? btrfs_rename+0x38b/0x55b [btrfs]

rename reserves 20 blocks, but seems that's not enough.  I've never seen
a crash report in rename, and according to the stacktrace there's
nothing suspicious (like selinux related).


david

  reply	other threads:[~2012-03-08 15:52 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-08 12:10 kernel BUG at fs/btrfs/delayed-inode.c:1466! Jacek Luczak
2012-03-08 15:52 ` David Sterba [this message]
2012-03-08 19:35   ` Jacek Luczak
2012-03-09  1:31     ` Liu Bo
2012-03-09  6:43       ` Chris Samuel
2012-03-09  9:15         ` Jacek Luczak
2012-03-09 10:55       ` David Sterba
2012-03-09 11:08         ` Jacek Luczak
2012-03-09 11:40           ` David Sterba
2012-03-09 14:13             ` Jacek Luczak
2012-03-09 14:33               ` Jacek Luczak
2012-03-09 14:54                 ` David Sterba
2012-03-09 15:32                   ` Jacek Luczak
2012-03-09 15:44                     ` Jacek Luczak
2012-03-09 23:18             ` Jacek Luczak
2012-03-11  9:41               ` Jacek Luczak
2012-03-12 14:21               ` Jacek Luczak
2012-03-12 15:11                 ` Johannes Hirte

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