From: NeilBrown <neilb@suse.de>
To: Maciej Naruszewicz <maciej.naruszewicz@intel.com>
Cc: linux-raid@vger.kernel.org, maciej.patelczyk@intel.com
Subject: Re: [PATCH 6/6] Add MD_ARRAY_SIZE for --examine --export
Date: Tue, 2 Oct 2012 16:42:45 +1000 [thread overview]
Message-ID: <20121002164245.498f4043@notabene.brown> (raw)
In-Reply-To: <20120926114422.328.64275.stgit@gklab-128-174.igk.intel.com>
[-- Attachment #1: Type: text/plain, Size: 1677 bytes --]
On Wed, 26 Sep 2012 13:44:22 +0200 Maciej Naruszewicz
<maciej.naruszewicz@intel.com> wrote:
> An additional pair of key=value for --examine --export.
>
> Signed-off-by: Maciej Naruszewicz <maciej.naruszewicz@intel.com>
> ---
> super1.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/super1.c b/super1.c
> index b04945f..0df5bee 100644
> --- a/super1.c
> +++ b/super1.c
> @@ -495,6 +495,7 @@ static void export_examine_super1(struct supertype *st)
> struct mdp_superblock_1 *sb = st->sb;
> int i;
> int len = 32;
> + int layout;
>
> printf("MD_LEVEL=%s\n", map_num(pers, __le32_to_cpu(sb->level)));
> printf("MD_DEVICES=%d\n", __le32_to_cpu(sb->raid_disks));
> @@ -506,6 +507,24 @@ static void export_examine_super1(struct supertype *st)
> }
> if (len)
> printf("MD_NAME=%.*s\n", len, sb->set_name);
> + if (__le32_to_cpu(sb->level) > 0) {
> + int ddsks = 0, ddsks_denom = 1;
> + switch(__le32_to_cpu(sb->level)) {
> + case 1: ddsks=1;break;
> + case 4:
> + case 5: ddsks = __le32_to_cpu(sb->raid_disks)-1; break;
> + case 6: ddsks = __le32_to_cpu(sb->raid_disks)-2; break;
> + case 10:
> + layout = __le32_to_cpu(sb->layout);
> + ddsks = __le32_to_cpu(sb->raid_disks);
> + ddsks_denom = (layout&255) * ((layout>>8)&255);
> + }
> + if (ddsks) {
> + long long asize = __le64_to_cpu(sb->size);
> + asize = (asize << 9) * ddsks / ddsks_denom;
> + printf("MD_ARRAY_SIZE=%s\n",human_size_brief(asize,JEDEC));
> + }
> + }
> printf("MD_UUID=");
> for (i=0; i<16; i++) {
> if ((i&3)==0 && i != 0) printf(":");
Applied,
thanks,
NeilBrown
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 828 bytes --]
prev parent reply other threads:[~2012-10-02 6:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-26 11:42 [mdadm,v1 PATCH 0/6] Extend mdadm [...] --export Maciej Naruszewicz
2012-09-26 11:42 ` [PATCH 1/6] imsm: Add --export option for --detail-platform Maciej Naruszewicz
2012-10-02 6:28 ` NeilBrown
2012-09-26 11:42 ` [PATCH 2/6] imsm: Add --controller-path " Maciej Naruszewicz
2012-10-02 6:36 ` NeilBrown
2012-10-02 10:54 ` Maciej Naruszewicz
2012-09-26 11:42 ` [PATCH 3/6] Fix return code " Maciej Naruszewicz
2012-10-02 6:38 ` NeilBrown
2012-09-26 11:44 ` [PATCH 4/6] Synchronize size calculation in human_size and human_size_brief Maciej Naruszewicz
2012-10-02 6:40 ` NeilBrown
2012-09-26 11:44 ` [PATCH 5/6] Display size with human_size_brief with a chosen prefix Maciej Naruszewicz
2012-10-02 6:41 ` NeilBrown
2012-09-26 11:44 ` [PATCH 6/6] Add MD_ARRAY_SIZE for --examine --export Maciej Naruszewicz
2012-10-02 6:42 ` NeilBrown [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121002164245.498f4043@notabene.brown \
--to=neilb@suse.de \
--cc=linux-raid@vger.kernel.org \
--cc=maciej.naruszewicz@intel.com \
--cc=maciej.patelczyk@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.