On Mon, 31 Jan 2011 16:31:24 +0000 "Czarnowska, Anna"
<anna.czarnowska@xxxxxxxxx> wrote:
> >From 862768811140f5f8a039d3d2ba6726e2cfcc71fb Mon Sep 17 00:00:00 2001
> From: Anna Czarnowska <anna.czarnowska@xxxxxxxxx>
> Date: Fri, 3 Dec 2010 15:23:41 +0100
> Subject: [PATCH 1/2] Monitor: do not move partitions to external container
> Cc: linux-raid@xxxxxxxxxxxxxxx, Williams, Dan J <dan.j.williams@xxxxxxxxx>, Ciechanowski, Ed <ed.ciechanowski@xxxxxxxxx>
>
> Arrays on partitions are not supported for external metadata
> so do not take such spare from native array.
>
> Signed-off-by: Anna Czarnowska <anna.czarnowska@xxxxxxxxx>
I've applied both of these, thanks.
NeilBrown
> ---
> Monitor.c | 4 ++++
> mdadm.h | 1 +
> util.c | 13 +++++++++++++
> 3 files changed, 18 insertions(+), 0 deletions(-)
>
> diff --git a/Monitor.c b/Monitor.c
> index acc82ac..01006ac 100644
> --- a/Monitor.c
> +++ b/Monitor.c
> @@ -764,6 +764,10 @@ static dev_t choose_spare(struct state *from, struct state *to,
> from->devstate[d] == 0) {
> struct dev_policy *pol;
> unsigned long long dev_size;
> +
> + if (to->metadata->ss->external &&
> + test_partition_from_id(from->devid[d]))
> + continue;
>
> if (min_size &&
> dev_size_from_id(from->devid[d], &dev_size) &&
> diff --git a/mdadm.h b/mdadm.h
> index 369118c..8fa3af4 100644
> --- a/mdadm.h
> +++ b/mdadm.h
> @@ -1120,6 +1120,7 @@ extern int ask(char *mesg);
> extern unsigned long long get_component_size(int fd);
> extern void remove_partitions(int fd);
> extern int test_partition(int fd);
> +extern int test_partition_from_id(dev_t id);
> extern unsigned long long calc_array_size(int level, int raid_disks, int layout,
> int chunksize, unsigned long long devsize);
> extern int flush_metadata_updates(struct supertype *st);
> diff --git a/util.c b/util.c
> index b806a97..38750b2 100644
> --- a/util.c
> +++ b/util.c
> @@ -295,6 +295,19 @@ int test_partition(int fd)
> return 1;
> }
>
> +int test_partition_from_id(dev_t id)
> +{
> + char buf[20];
> + int fd, rv;
> +
> + sprintf(buf, "%d:%d", major(id), minor(id));
> + fd = dev_open(buf, O_RDONLY);
> + if (fd < 0)
> + return -1;
> + rv = test_partition(fd);
> + close(fd);
> + return rv;
> +}
>
> int enough(int level, int raid_disks, int layout, int clean,
> char *avail, int avail_disks)
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