From: Arne Jansen <sensille@gmx.net>
To: Ilya Dryomov <idryomov@gmail.com>
Cc: linux-btrfs@vger.kernel.org, Chris Mason <chris.mason@oracle.com>,
Hugo Mills <hugo@carfax.org.uk>
Subject: Re: [PATCH 15/21] Btrfs: recover restripe on mount
Date: Tue, 01 Nov 2011 11:57:32 +0100 [thread overview]
Message-ID: <4EAFD09C.7040205@gmx.net> (raw)
In-Reply-To: <1314129722-31601-16-git-send-email-idryomov@gmail.com>
On 23.08.2011 22:01, Ilya Dryomov wrote:
> On mount, if restripe item is found, resume restripe in a separate
> kernel thread.
>
> Try to be smart to continue roughly where previous balance (or convert)
> was interrupted. For chunk types that were being converted to some
> profile we turn on soft convert, in case of a simple balance we turn on
> usage filter and relocate only less-than-90%-full chunks of that type.
> These are just heuristics but they help quite a bit, and can be improved
> in future.
>
Instead of trying to find out where you left off, can't you just save a
pointer in your restripe_item every time a chunk finished?
next prev parent reply other threads:[~2011-11-01 10:57 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 20:01 [PATCH 00/21] [RFC] Btrfs: restriper Ilya Dryomov
2011-08-23 20:01 ` [PATCH 01/21] Btrfs: get rid of *_alloc_profile fields Ilya Dryomov
2011-09-27 12:51 ` David Sterba
2011-08-23 20:01 ` [PATCH 02/21] Btrfs: introduce masks for chunk type and profile Ilya Dryomov
2011-08-23 20:01 ` [PATCH 03/21] Btrfs: add BTRFS_AVAIL_ALLOC_BIT_SINGLE bit Ilya Dryomov
2011-11-01 7:56 ` Arne Jansen
2011-08-23 20:01 ` [PATCH 04/21] Btrfs: make avail_*_alloc_bits fields dynamic Ilya Dryomov
2011-08-23 20:01 ` [PATCH 05/21] Btrfs: add basic restriper infrastructure Ilya Dryomov
2011-11-01 10:08 ` Arne Jansen
2011-11-01 11:07 ` David Sterba
2011-11-01 11:08 ` Arne Jansen
2011-08-23 20:01 ` [PATCH 06/21] Btrfs: implement online profile changing Ilya Dryomov
2011-08-23 20:01 ` [PATCH 07/21] Btrfs: add basic infrastructure for selective balancing Ilya Dryomov
2011-09-27 13:02 ` David Sterba
2011-09-27 17:28 ` Ilya Dryomov
2011-08-23 20:01 ` [PATCH 08/21] Btrfs: soft profile changing mode (aka soft convert) Ilya Dryomov
2011-08-23 20:01 ` [PATCH 09/21] Btrfs: profiles filter Ilya Dryomov
2011-08-23 20:01 ` [PATCH 10/21] Btrfs: usage filter Ilya Dryomov
2011-09-27 13:22 ` David Sterba
2011-11-01 10:18 ` Arne Jansen
2011-08-23 20:01 ` [PATCH 11/21] Btrfs: devid filter Ilya Dryomov
2011-08-23 20:01 ` [PATCH 12/21] Btrfs: devid subset filter Ilya Dryomov
2011-08-23 20:01 ` [PATCH 13/21] Btrfs: virtual address space " Ilya Dryomov
2011-08-23 20:01 ` [PATCH 14/21] Btrfs: save restripe parameters to disk Ilya Dryomov
2011-09-27 13:43 ` David Sterba
2011-11-01 10:29 ` Arne Jansen
2011-08-23 20:01 ` [PATCH 15/21] Btrfs: recover restripe on mount Ilya Dryomov
2011-11-01 10:57 ` Arne Jansen [this message]
2011-08-23 20:01 ` [PATCH 16/21] Btrfs: allow for cancelling restriper Ilya Dryomov
2011-08-23 20:01 ` [PATCH 17/21] Btrfs: allow for pausing restriper Ilya Dryomov
2011-11-01 11:46 ` Arne Jansen
2011-08-23 20:01 ` [PATCH 18/21] Btrfs: allow for resuming restriper after it was paused Ilya Dryomov
2011-08-23 20:02 ` [PATCH 19/21] Btrfs: add skip_restripe mount option Ilya Dryomov
2011-08-23 20:02 ` [PATCH 20/21] Btrfs: get rid of btrfs_balance() function Ilya Dryomov
2011-08-23 20:02 ` [PATCH 21/21] Btrfs: add restripe progress reporting Ilya Dryomov
2011-09-27 12:47 ` [PATCH 00/21] [RFC] Btrfs: restriper David Sterba
2011-11-14 23:59 ` Phillip Susi
2011-11-15 9:22 ` Ilya Dryomov
2011-11-15 14:33 ` Phillip Susi
2011-11-15 15:06 ` Ilya Dryomov
2011-11-17 3:13 ` Phillip Susi
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