linux-kernel - Re: [RFC 3/3] xfs_io: add extsize command support

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Message-ID: <20241211181827.GC6678@frogsfrogsfrogs>
Date: Wed, 11 Dec 2024 10:18:27 -0800
From: "Darrick J. Wong" <djwong@...nel.org>
To: Ojaswin Mujoo <ojaswin@...ux.ibm.com>
Cc: linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org,
	Ritesh Harjani <ritesh.list@...il.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Andrey Albershteyn <aalbersh@...nel.org>,
	John Garry <john.g.garry@...cle.com>
Subject: Re: [RFC 3/3] xfs_io: add extsize command support

On Wed, Dec 11, 2024 at 01:24:04PM +0530, Ojaswin Mujoo wrote:
> extsize command is currently only supported with XFS filesystem.
> Lift this restriction now that ext4 is also supporting extsize hints.
> 
> Signed-off-by: Ojaswin Mujoo <ojaswin@...ux.ibm.com>

Seems pretty straightforward to me.  Are you planning to add an extsize
option to chattr?

Reviewed-by: "Darrick J. Wong" <djwong@...nel.org>

--D

> ---
>  io/open.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/io/open.c b/io/open.c
> index a30dd89a1fd5..2582ff9b862e 100644
> --- a/io/open.c
> +++ b/io/open.c
> @@ -997,7 +997,7 @@ open_init(void)
>  	extsize_cmd.args = _("[-D | -R] [extsize]");
>  	extsize_cmd.argmin = 0;
>  	extsize_cmd.argmax = -1;
> -	extsize_cmd.flags = CMD_NOMAP_OK;
> +	extsize_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
>  	extsize_cmd.oneline =
>  		_("get/set preferred extent size (in bytes) for the open file");
>  	extsize_cmd.help = extsize_help;
> -- 
> 2.43.5
> 
>