From: Andreas Dilger <adilger@sun.com>
To: Theodore Tso <tytso@mit.edu>
Cc: Eric Sandeen <sandeen@redhat.com>, linux-ext4@vger.kernel.org
Subject: Re: [PATCH] e2freefrag utility
Date: Mon, 27 Jul 2009 12:36:36 -0600 [thread overview]
Message-ID: <20090727183636.GN4231@webber.adilger.int> (raw)
In-Reply-To: <20090725001823.GD6832@mit.edu>
On Jul 24, 2009 20:18 -0400, Theodore Ts'o wrote:
> On Fri, Jul 24, 2009 at 05:14:25PM -0600, Andreas Dilger wrote:
> > Well, it was important for the hardware RAID setups, to see how many
> > stripe-aligned free chunks are available in the filesystem. Since
> > mballoc will also try to allocate/align on "chunk" boundaries this
> > is useful to know. If this chunksize depended on the superblock
> > s_raid_stripe_width then it would be more useful for the general public.
>
> Yeah, I think what we should try to do is to display the chunk
> information if s_raid_stripe_width if it is set, and otherwise only
> print it if a chunk size is explicitly specified. Sounds like a plan?
Yes, sounds reasonable.
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
next prev parent reply other threads:[~2009-07-27 18:37 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-21 0:17 [PATCH] e2freefrag utility Andreas Dilger
2009-07-22 7:43 ` Theodore Tso
2009-07-23 4:59 ` Eric Sandeen
2009-07-23 13:45 ` How to fix up mballoc Theodore Tso
2009-07-23 17:43 ` Eric Sandeen
2009-07-24 0:23 ` Theodore Tso
2009-07-24 2:18 ` Eric Sandeen
2009-07-24 2:25 ` Eric Sandeen
2009-07-24 2:30 ` Andreas Dilger
2009-07-23 17:51 ` Mingming Cao
2009-07-24 0:43 ` Theodore Tso
2009-07-23 17:07 ` [PATCH] e2freefrag utility Andreas Dilger
2009-07-23 17:18 ` Eric Sandeen
2009-07-24 22:32 ` Theodore Tso
2009-07-24 23:14 ` Andreas Dilger
2009-07-25 0:18 ` Theodore Tso
2009-07-27 18:36 ` Andreas Dilger [this message]
2009-08-10 3:31 ` [PATCH 0/6] Patches to improve/fix e2freefrag Theodore Ts'o
2009-08-10 3:31 ` [PATCH 1/6] e2freefrag: Clarify e2freefrag's messages Theodore Ts'o
2009-08-10 3:31 ` [PATCH 2/6] e2freefrag: Do not print chunk-related information by default Theodore Ts'o
2009-08-10 3:31 ` [PATCH 3/6] e2freefrag: Fix to work correctly for file systems with 1kb block sizes Theodore Ts'o
2009-08-10 3:31 ` [PATCH 4/6] e2freefrag: Take into account the last free extent in the file system Theodore Ts'o
2009-08-10 3:31 ` [PATCH 5/6] Add V=1 support when linking e2freefrag in misc/Makefile.in Theodore Ts'o
2009-08-10 3:31 ` [PATCH 6/6] libext2fs: Treat uninitialized parts of bitmaps as unallocated Theodore Ts'o
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