[PATCH] xfs_io: add support for flink

[Dave Chinner]

On Thu, Feb 20, 2014 at 04:49:33PM -0800, Christoph Hellwig wrote:
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
.....
> +static cmdinfo_t flink_cmd;
> +
> +static void
> +flink_help(void)
> +{
> +	printf(_(
> +"\n"
> +"link the open file descriptor into the filesystem\n"
> +"\n"
> +"\n"));
> +}

"link the open file descriptor to the supplied filename\n"

?

> +void
> +flink_init(void)
> +{
> +	flink_cmd.name = "flink";
> +	flink_cmd.cfunc = flink_f;
> +	flink_cmd.argmin = 1;
> +	flink_cmd.argmax = 1;
> +	flink_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
> +	flink_cmd.args = _("filename");
> +	flink_cmd.oneline =
> +		_("link the open file descriptor into the filesystem");
> +	flink_cmd.help = flink_help;
> +
> +	add_command(&flink_cmd);
> +}
> diff --git a/man/man8/xfs_io.8 b/man/man8/xfs_io.8
> index 7a92ff6..7d0c792 100644
> --- a/man/man8/xfs_io.8
> +++ b/man/man8/xfs_io.8
> @@ -638,6 +638,9 @@ Only available in expert mode and requires privileges.
>  Undo the effects of a filesystem freeze operation.
>  Only available in expert mode and requires privileges.
>  .TP
> +.B flink		
> +Link the currently open file descriptor into the filesystem namespace.
> +.TP

And that needs to indicate that a filename needs to be provided,
too.

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com