[Ocfs2-devel] [PATCH] ocfs2-tools: add error message to mount.ocfs2 when mount point is invalid.

[Joel Becker <Joel.Becker@oracle.com>]

On Thu, Jul 31, 2008 at 09:40:21PM +0800, Coly Li wrote:
> diff --git a/mount.ocfs2/mount.ocfs2.c b/mount.ocfs2/mount.ocfs2.c
> index a97b4cb..eb8e336 100644
> --- a/mount.ocfs2/mount.ocfs2.c
> +++ b/mount.ocfs2/mount.ocfs2.c
> @@ -382,9 +382,21 @@ int main(int argc, char **argv)
>   			o2cb_complete_group_join(&cluster, &desc, errno);
>   		}
>   		block_signals (SIG_UNBLOCK);
> -		com_err(progname, ret, "while mounting %s on %s. "
> -			"Check 'dmesg' for more information on this error.",
> -			mo.dev, mo.dir);
> +
> +		/* complain mount failure */
> +		if (lstat(mo.dir, &statbuf))
> +			com_err(progname, 0, "mount point %s does not "
> +				"exist", mo.dir);
> +		else if (stat(mo.dir, &statbuf))
> +			com_err(progname, 0, "mount point %s is a "
> +				"symbolic link to nowhere", mo.dir);
> +		else if (stat(mo.dir, &statbuf) || !S_ISDIR(statbuf.st_mode))
  +		else if (!S_ISDIR(statbuf.st_mode))

	You successfully called stat in the previous "else if" clause.

> +			com_err(progname, 0, "mount point %s is not "
> +				"a directory", mo.dir);
> +		else
> +			com_err(progname, ret, "while mounting %s on %s. "
> +				"Check 'dmesg' for more information on this "
> +				"error.", mo.dev, mo.dir);

	Also, I agree with sunil's "broken symbolic link" text.

Joel

-- 

"I have never let my schooling interfere with my education."
        - Mark Twain

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127