From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: [PATCH 1/2] Monitor: do not move partitions to external container Date: Tue, 1 Feb 2011 10:39:02 +1100 Message-ID: <20110201103902.2e49d648@notabene.brown> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: "Czarnowska, Anna" Cc: "linux-raid@vger.kernel.org" , "Williams, Dan J" , "Ciechanowski, Ed" , "Hawrylewicz Czarnowski, Przemyslaw" , "Labun, Marcin" , "Neubauer, Wojciech" List-Id: linux-raid.ids On Mon, 31 Jan 2011 16:31:24 +0000 "Czarnowska, Anna" wrote: > >From 862768811140f5f8a039d3d2ba6726e2cfcc71fb Mon Sep 17 00:00:00 2001 > From: Anna Czarnowska > Date: Fri, 3 Dec 2010 15:23:41 +0100 > Subject: [PATCH 1/2] Monitor: do not move partitions to external container > Cc: linux-raid@vger.kernel.org, Williams, Dan J , Ciechanowski, Ed > > Arrays on partitions are not supported for external metadata > so do not take such spare from native array. > > Signed-off-by: Anna Czarnowska 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)