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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Thiemo Nagel <thiemo.nagel@ph.tum.de>
Cc: tytso@mit.edu, linux-ext4@vger.kernel.org
Subject: Re: [PATCH] Validate extent details only when read from the disk
Date: Mon, 9 Feb 2009 16:18:57 +0530	[thread overview]
Message-ID: <20090209104857.GE31884@skywalker> (raw)
In-Reply-To: <49900612.3020609@ph.tum.de>

On Mon, Feb 09, 2009 at 11:31:46AM +0100, Thiemo Nagel wrote:
> Aneesh Kumar K.V wrote:
> > Make sure we validate extent details only when read from the disk.
> >
> > @@ -602,15 +607,13 @@ struct ext4_ext_path *
> >  ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
> >  					struct ext4_ext_path *path)
> >  {
> > +	int need_to_validate = 0;
> >  	struct ext4_extent_header *eh;
> >  	struct buffer_head *bh;
> >  	short int depth, i, ppos = 0, alloc = 0;
> >  
> >  	eh = ext_inode_hdr(inode);
> >  	depth = ext_depth(inode);
> > -	if (ext4_ext_check(inode, eh, depth))
> > -		return ERR_PTR(-EIO);
> > -
> 

I am doing the check in ext4_iget while reading the inode from disk.

-aneesh

  reply	other threads:[~2009-02-09 10:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-07 15:36 [PATCH] introduce range check for extent pblock references Thiemo Nagel
2009-02-07 17:32 ` Aneesh Kumar K.V
2009-02-07 18:49   ` Thiemo Nagel
2009-02-07 19:59     ` Aneesh Kumar K.V
2009-02-07 20:01   ` [PATCH] Add checks to validate extent entries Aneesh Kumar K.V
2009-02-07 20:01     ` [PATCH] Validate extent details only when read from the disk Aneesh Kumar K.V
2009-02-09 10:31       ` Thiemo Nagel
2009-02-09 10:48         ` Aneesh Kumar K.V [this message]
2009-02-09 11:12           ` Thiemo Nagel
2009-02-09 10:26     ` [PATCH] Add checks to validate extent entries Thiemo Nagel
2009-02-09 10:31       ` Aneesh Kumar K.V
2009-02-09 10:40         ` Thiemo Nagel

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