From: Theodore Tso <tytso@mit.edu>
To: Kalpak Shah <kalpak@clusterfs.com>
Cc: linux-ext4 <linux-ext4@vger.kernel.org>,
Andreas Dilger <adilger@clusterfs.com>
Subject: Re: [PATCH] Endianness bugs in e2fsck
Date: Fri, 22 Jun 2007 18:20:58 -0400 [thread overview]
Message-ID: <20070622222056.GB22889@thunk.org> (raw)
In-Reply-To: <1182331988.9772.7.camel@garfield>
On Wed, Jun 20, 2007 at 03:03:08PM +0530, Kalpak Shah wrote:
> In ext2fs_swap_inode_full() if to and from inodes are not the same
> (which is the case when called from e2fsck_get_next_inode_full),
> then e2fsck cannot recognize any in-inode EAs since the un-swabbed
> i_extra_isize was being used. So corrected that to use swabbed
> values all the time.
Actually, this is wrong. Remember, the swab functions are used to
swap *from* and *to* host byte order and on-disk order. So yes, there
was a bug in that we were also using the f->i_extra_size, but using
t->i_extra_size is also going to be wrong in some cases. That's what
the hostorder parameter to ext2fs_swap_inode_full() is for.
- Ted
next prev parent reply other threads:[~2007-06-22 22:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-20 9:33 [PATCH] Endianness bugs in e2fsck Kalpak Shah
2007-06-20 15:09 ` Theodore Tso
2007-06-20 19:36 ` Kalpak Shah
2007-06-22 22:20 ` Theodore Tso [this message]
2007-06-22 23:54 ` Theodore Tso
2007-06-23 2:34 ` Theodore Tso
2007-06-23 0:36 ` Theodore Tso
2007-06-25 8:13 ` Kalpak Shah
2007-07-17 21:19 ` Eric Sandeen
2007-07-18 1:40 ` Eric Sandeen
2007-07-18 7:04 ` Kalpak Shah
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