From: Miao Xie <miaox@cn.fujitsu.com>
To: Josef Bacik <jbacik@fusionio.com>
Cc: Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH 0/3] flush delalloc by multi-task
Date: Thu, 01 Nov 2012 15:43:51 +0800 [thread overview]
Message-ID: <50922837.3080101@cn.fujitsu.com> (raw)
In-Reply-To: <5089045D.8050801@cn.fujitsu.com>
Hi, Josef
Please drop this patchset from your btrfs-next tree because it may cause the
performance regression in some cases. I'll improve it later.
Thanks
Miao
On thu, 25 Oct 2012 17:20:29 +0800, Miao Xie wrote:
> This patchset introduce multi-task delalloc flush, it can make the delalloc
> flush more faster. And besides that, it also can fix the problem that we join
> the same transaction handler more than 2 times.
>
> Implementation:
> - Create a new worker pool.
> - Queue the inode with pending delalloc into the work queue of the worker pool
> when we want to force them into the disk, and then we will wait till all the
> works we submit are done.
> - The ordered extents also can be queued into this work queue. The process is
> similar to the second one.
>
> Miao Xie (3):
> Btrfs: make delalloc inodes be flushed by multi-task
> Btrfs: make ordered operations be handled by multi-task
> Btrfs: make ordered extent be flushed by multi-task
>
> fs/btrfs/ctree.h | 14 +++++++
> fs/btrfs/disk-io.c | 7 ++++
> fs/btrfs/inode.c | 78 ++++++++++++++++++++++++++++++++++++++---
> fs/btrfs/ordered-data.c | 87 ++++++++++++++++++++++++++++++++++-------------
> fs/btrfs/ordered-data.h | 7 +++-
> fs/btrfs/relocation.c | 6 +++-
> fs/btrfs/transaction.c | 24 ++++++++++---
> 7 files changed, 185 insertions(+), 38 deletions(-)
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
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> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
prev parent reply other threads:[~2012-11-01 7:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 9:20 [PATCH 0/3] flush delalloc by multi-task Miao Xie
2012-10-25 9:28 ` [PATCH 1/3] Btrfs: make delalloc inodes be flushed " Miao Xie
2012-10-25 9:31 ` [PATCH 2/3] Btrfs: make ordered operations be handled " Miao Xie
2012-10-25 9:41 ` [PATCH 3/3] Btrfs: make ordered extent be flushed " Miao Xie
2012-10-25 11:53 ` [PATCH 0/3] flush delalloc " Liu Bo
2012-10-26 1:56 ` Miao Xie
2012-10-26 2:05 ` Liu Bo
2012-10-26 3:25 ` Miao Xie
2012-10-26 7:01 ` Liu Bo
2012-11-01 7:43 ` Miao Xie [this message]
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