[PATCH] lvm2: add configuration option to enable udev fallback code only when needed

[Milan Broz <mbroz@redhat.com>]

On 06/17/2011 02:39 PM, Peter Rajnoha wrote:
> We've used udev fallback code till now to check whether udev
> created/removed the entries in /dev correctly and if not,
> a repair was done (giving a warning messagea about that).
> 
> This patch adds a possibility to enable this additional check
> and subsequent fallback only when required (debugging purposes
> mostly) and trust udev completely.
> 
> So let's disable the fallback code by default and add a new
> configuration option "activation/udev_fallback".

ack.

(also systemd people should be happy, because fallback hides
problems in dependencies.)

> @@ -36,6 +36,7 @@ struct config_info {
>  	int read_ahead;		/* DM_READ_AHEAD_NONE or _AUTO */
>  	int udev_rules;
>  	int udev_sync;
> +	int udev_fallback;

nitpicking - isn't it wasting of space? udev_fallback:1 ? ;-)
(probably some patch later if it is worth to do that)

Milan