From: Jeff Layton <jlayton@kernel.org>
To: xiubli@redhat.com, idryomov@gmail.com
Cc: sage@redhat.com, zyan@redhat.com, pdonnell@redhat.com,
ceph-devel@vger.kernel.org, linux-doc@vger.kernel.org,
corbet@lwn.net
Subject: Re: [RFC PATCH] ceph: fix description of some mount options
Date: Tue, 11 Feb 2020 11:48:11 -0500 [thread overview]
Message-ID: <537a2c4a37f601fe402fa7b893061fd9f4270f56.camel@kernel.org> (raw)
In-Reply-To: <20200211153120.21369-1-xiubli@redhat.com>
On Tue, 2020-02-11 at 10:31 -0500, xiubli@redhat.com wrote:
> From: Xiubo Li <xiubli@redhat.com>
>
> Based on the latest code, the default value for wsize/rsize is
> 64MB and the default value for the mount_timeout is 60 seconds.
>
> Signed-off-by: Xiubo Li <xiubli@redhat.com>
> ---
>
> Checked the history of the code, I am a little confused about the
> default values for wsize/rsize, there never been 16MB as the default,
> and for the mount_timeout, never seen 30 as default.
>
> So did I miss something important about this ?
>
It looks like the default rsize/wsize were 16M prior to 94e6992bb560b.
It then went to 32 and then 64 a little while afterward. I don't see
where the mount_timeout was ever 30s though.
Merged into testing branch since this seems obviously correct.
>
> Documentation/filesystems/ceph.txt | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/filesystems/ceph.txt b/Documentation/filesystems/ceph.txt
> index b19b6a03f91c..92ffc9b3b018 100644
> --- a/Documentation/filesystems/ceph.txt
> +++ b/Documentation/filesystems/ceph.txt
> @@ -103,17 +103,17 @@ Mount Options
> address its connection to the monitor originates from.
>
> wsize=X
> - Specify the maximum write size in bytes. Default: 16 MB.
> + Specify the maximum write size in bytes. Default: 64 MB.
>
> rsize=X
> - Specify the maximum read size in bytes. Default: 16 MB.
> + Specify the maximum read size in bytes. Default: 64 MB.
>
> rasize=X
> Specify the maximum readahead size in bytes. Default: 8 MB.
>
> mount_timeout=X
> Specify the timeout value for mount (in seconds), in the case
> - of a non-responsive Ceph file system. The default is 30
> + of a non-responsive Ceph file system. The default is 60
> seconds.
>
> caps_max=X
--
Jeff Layton <jlayton@kernel.org>
next prev parent reply other threads:[~2020-02-11 16:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-11 15:31 [RFC PATCH] ceph: fix description of some mount options xiubli
2020-02-11 16:48 ` Jeff Layton [this message]
2020-02-12 10:59 ` Xiubo Li
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