From: Theodore Ts'o <tytso@mit.edu>
To: Zheng Liu <gnehzuil.liu@gmail.com>
Cc: linux-ext4@vger.kernel.org, Zheng Liu <wenqing.lz@taobao.com>
Subject: Re: [PATCH 1/3] mke2fs: indicate bigalloc feature explicity when cluster-size is enabled
Date: Mon, 14 Jan 2013 15:28:00 -0500 [thread overview]
Message-ID: <20130114202800.GA8049@thunk.org> (raw)
In-Reply-To: <1358068095-9034-1-git-send-email-wenqing.lz@taobao.com>
On Sun, Jan 13, 2013 at 05:08:13PM +0800, Zheng Liu wrote:
> From: Zheng Liu <wenqing.lz@taobao.com>
>
> When cluster-size is enabled without bigalloc feature, mke2fs will ignore this
> argument silently. But user might think bigalloc feature has been enabled
> unless they use 'stats' command to check it in debugfs. So now we ask user
> to set bigalloc feature explicity when cluster-size is enabled. This can
> make sure that users understand what they are doing because bigalloc might
> impact the performance for some workloads.
>
> Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Thanks, applied.
- Ted
prev parent reply other threads:[~2013-01-14 20:28 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-13 9:08 [PATCH 1/3] mke2fs: indicate bigalloc feature explicity when cluster-size is enabled Zheng Liu
2013-01-13 9:08 ` [PATCH 2/3] mke2fs: reduce the range of cluster-size Zheng Liu
2013-01-14 17:41 ` Andreas Dilger
2013-01-14 21:03 ` Theodore Ts'o
2013-01-14 21:07 ` Andreas Dilger
2013-01-14 21:10 ` Theodore Ts'o
2013-01-15 0:37 ` [PATCH 1/5] mke2fs: enforce that the cluster size must be less that the block size Theodore Ts'o
2013-01-15 0:37 ` [PATCH 2/5] mke2fs: the -g option will now specify the clusters per block group Theodore Ts'o
2013-01-15 15:10 ` Eric Sandeen
2013-01-15 19:05 ` Theodore Ts'o
2013-01-15 15:22 ` Zheng Liu
2013-01-15 0:37 ` [PATCH 3/5] libe2p: teach parse_num_blocks2() to return bytes if log_block_size < 0 Theodore Ts'o
2013-01-15 15:23 ` Zheng Liu
2013-01-15 0:37 ` [PATCH 4/5] mke2fs: teach mke2fs to understand -b 4k and -C 256M Theodore Ts'o
2013-01-15 15:11 ` Eric Sandeen
2013-01-15 15:13 ` Eric Sandeen
2013-01-15 15:24 ` Zheng Liu
2013-01-15 0:37 ` [PATCH 5/5] libext2fs: avoid 32-bit overflow in ext2fs_initialize with a 512M cluster size Theodore Ts'o
2013-01-15 15:33 ` Zheng Liu
2013-01-15 15:36 ` Zheng Liu
2013-01-15 19:10 ` Theodore Ts'o
2013-01-16 1:49 ` Zheng Liu
2013-01-15 0:41 ` [PATCH 1/5] mke2fs: enforce that the cluster size must be less that the block size Theodore Ts'o
2013-01-15 15:22 ` Zheng Liu
2013-01-13 9:08 ` [PATCH 3/3] mke2fs: document bigalloc and cluster-size Zheng Liu
2013-01-15 3:10 ` Theodore Ts'o
2013-01-15 19:12 ` Theodore Ts'o
2013-01-15 19:46 ` Phillip Susi
2013-01-15 19:57 ` Theodore Ts'o
2013-01-15 20:38 ` Phillip Susi
2013-01-15 22:28 ` Theodore Ts'o
2013-01-14 20:28 ` Theodore Ts'o [this message]
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