linux-ext4 - Re: [PATCH] e2fsprogs: Dump extent/sindices using debugfs

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Message-id: <20080612083204.GU3726@webber.adilger.int>
Date:	Thu, 12 Jun 2008 02:32:04 -0600
From:	Andreas Dilger <adilger@....com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	Girish Shilamkar <Girish.Shilamkar@....com>,
	Theodore Tso <tytso@....edu>,
	Ext4 Mailing List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] e2fsprogs: Dump extent/sindices using debugfs

On Jun 11, 2008  16:13 +0530, Aneesh Kumar K.V wrote:
> On Wed, Jun 11, 2008 at 03:41:28PM +0530, Girish Shilamkar wrote:
> > 	The attached patch adds a command to debugfs to display all the
> > extents/indices contained in an inode or the block specified.
> > 	The options to the command includes tranversing and dumping the entire
> > extent tree (if inode specified) or the branch (in case of block) and
> > can display only the headers if required.
> > 
> > Would you please let me know your comments/suggestions ?
> 
> lib/ext2fs/tst_extents (I don't know why we don't install this by
> default) have inode, root and ns/n command which help to iterate the
> extent format inode

The "tst_*" programs are purely for regression testing.  Having this
functionality built into a proper tool like debugfs is needed.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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