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From: NeilBrown <neilb@suse.de>
To: Michal Soltys <soltys@ziu.info>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH] udev rules: use $tempnode, check for supported types, comments
Date: Mon, 19 Sep 2011 13:12:50 +1000	[thread overview]
Message-ID: <20110919131250.070a5002@notabene.brown> (raw)
In-Reply-To: <1315466708-5431-2-git-send-email-soltys@ziu.info>

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On Thu,  8 Sep 2011 09:25:08 +0200 Michal Soltys <soltys@ziu.info> wrote:

> Few things adjusted in addition to
> 0f82fe603a42f37f1e2a6f826b4164811bf2d188:
> 
> - keep strict tests for supported types
> - when accessing the device, use $tempnode
> - few more comments
> 
> Signed-off-by: Michal Soltys <soltys@ziu.info>
> ---
>  udev-md-raid.rules |   17 +++++++++++++----
>  1 files changed, 13 insertions(+), 4 deletions(-)
> 
> diff --git a/udev-md-raid.rules b/udev-md-raid.rules
> index e251ac5..f564f70 100644
> --- a/udev-md-raid.rules
> +++ b/udev-md-raid.rules
> @@ -2,10 +2,19 @@
>  
>  SUBSYSTEM!="block", GOTO="md_end"
>  
> -# handle potential components of arrays
> -ENV{ID_FS_TYPE}=="*_raid_member", ENV{ID_PATH}!="", ACTION=="remove", RUN+="/sbin/mdadm -If $name --path $env{ID_PATH}"
> -ENV{ID_FS_TYPE}=="*_raid_member", ENV{ID_PATH}=="", ACTION=="remove", RUN+="/sbin/mdadm -If $name"
> -ENV{ID_FS_TYPE}=="*_raid_member", ACTION=="add", RUN+="/sbin/mdadm --incremental $env{DEVNAME}"
> +# handle potential components of arrays (the ones supported by md)
> +ENV{ID_FS_TYPE}=="ddf_raid_member|isw_raid_member|linux_raid_member", GOTO="md_inc"
> +GOTO="md_inc_skip"
> +
> +LABEL="md_inc"
> +
> +# remember you can limit what gets auto/incrementally assembled by
> +# mdadm.conf(5)'s 'AUTO' and selectively whitelist using 'ARRAY'
> +ACTION=="add", RUN+="/sbin/mdadm --incremental $tempnode"
> +ACTION=="remove", ENV{ID_PATH}=="?*", RUN+="/sbin/mdadm -If $name --path $env{ID_PATH}"
> +ACTION=="remove", ENV{ID_PATH}!="?*", RUN+="/sbin/mdadm -If $name"
> +
> +LABEL="md_inc_skip"
>  
>  # handle md arrays
>  ACTION!="add|change", GOTO="md_end"

Thanks.
I've applied this... though I must admit that I don't really like all the
GOTOs - but that is reall

y the fault of udev I expect.

What was the rational for changing 
   ==""
to
   !="?*"

??

NeilBrown

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  reply	other threads:[~2011-09-19  3:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-04 12:42 [PATCH 0/2] udev rules behaviour Michal Soltys
2011-09-04 12:42 ` [PATCH 1/2] udev rules: don't incrementally autoassemble everything Michal Soltys
2011-09-04 12:42 ` [PATCH 2/2] shorten remove rules Michal Soltys
2011-09-06 21:39 ` v2 - keep incremental, check types Michal Soltys
2011-09-06 21:39   ` [PATCH] udev rules: add ddf, shorten checks, use $tempnode Michal Soltys
2011-09-07  4:00 ` [PATCH 0/2] udev rules behaviour NeilBrown
2011-09-08  7:25 ` v2 once more, for current head Michal Soltys
2011-09-08  7:25   ` [PATCH] udev rules: use $tempnode, check for supported types, comments Michal Soltys
2011-09-19  3:12     ` NeilBrown [this message]
2011-09-19  7:23       ` Michal Soltys

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