From: Felipe Monteiro de Carvalho <felipemonteiro.carvalho@gmail.com>
To: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Too large value in inode.i_blocks[1]
Date: Mon, 1 Jul 2013 17:15:21 +0200 [thread overview]
Message-ID: <CACyNnZNF6E6rY7oiBX084cuoT+aUMnyhQA_uJFr4=wnPwGAVwA@mail.gmail.com> (raw)
In-Reply-To: <20130612135204.GA27403@thunk.org>
On Wed, Jun 12, 2013 at 3:52 PM, Theodore Ts'o <tytso@mit.edu> wrote:
> The ext4_extent_tail is not used in i_blocks[]. There will be up to 4
> ext4_extent structures, or ext4_extent_idx structures, depending on
> the depth of the tree. The ext4_extent_idx structures are used for
> the interior inodes of the tree. The ext4_extent structures are used
> for the leaf nodes of the tree. The ext4_extent_tail is used in
> extent tree blocks so we can checksum the metadata if the
> metadata_csum feature is enabled. The entire inode is checksummed, so
> we don't need the ext4_extent_tail in i_blocks[].
Hello,
thanks, this part I understood fairly well, but what if eh_entries is
8, for example .... where are the other 4 structures?
--
Felipe Monteiro de Carvalho
next prev parent reply other threads:[~2013-07-01 15:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-12 5:08 Too large value in inode.i_blocks[1] Felipe Monteiro de Carvalho
2013-06-12 12:59 ` Theodore Ts'o
2013-06-12 13:34 ` Felipe Monteiro de Carvalho
2013-06-12 13:52 ` Theodore Ts'o
2013-06-12 14:25 ` Eric Sandeen
2013-07-01 15:15 ` Felipe Monteiro de Carvalho [this message]
2013-07-01 17:02 ` Theodore Ts'o
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