[PATCH 13/33] create: respect domains/subsets during create process

["Hawrylewicz Czarnowski, Przemyslaw" <przemyslaw.hawrylewicz.czarnowski@xxxxxxxxx>]

From: Czarnowska, Anna 
Sent: Monday, July 05, 2010 11:27 AM
To: Neil Brown
Cc: linux-raid@xxxxxxxxxxxxxxx; Czarnowska, Anna; Hawrylewicz Czarnowski, Przemyslaw; Labun, Marcin; Neubauer, Wojciech; Williams, Dan J; Ciechanowski, Ed; dledford@xxxxxxxxxx
Subject: [PATCH 13/33] create: respect domains/subsets during create process

From: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@xxxxxxxxx>

Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@xxxxxxxxx>
---
 Create.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/Create.c b/Create.c
index b04388f..2ea4205 100644
--- a/Create.c
+++ b/Create.c
@@ -116,6 +116,8 @@ int Create(struct supertype *st, char *mddev,
      char chosen_name[1024];
      struct map_ent *map = NULL;
      unsigned long long newsize;
+     struct domain_ent *base_de = NULL;
+     struct subset *base_ss;
 
      int major_num = BITMAP_MAJOR_HI;
 
@@ -281,6 +283,8 @@ int Create(struct supertype *st, char *mddev,
      info.array.working_disks = 0;
      dnum = 0;
      for (dv=devlist; dv && !have_container; dv=dv->next, dnum++) {
+           struct domain_ent *de;
+           struct subset *ss;
            char *dname = dv->devname;
            unsigned long long freesize;
            if (strcasecmp(dname, "missing")==0) { @@ -343,6 +347,31 @@ int Create(struct supertype *st, char *mddev,
                  }
            }
 
+           de = conf_get_domain(dname, (char *)st->ss->name);
+           if (!de) {
+                 fprintf(stderr, Name ": Can't determine domain of %s.",
+                       dname);
+                 if (st)
+                       st->ss->free_super(st);
+                 return 1;
+           }
+           ss = conf_get_subset(dname, st, de);
+           if (!base_de) {
+                 base_de = de;
+                 base_ss = ss;
+                 if (verbose > 0)
+                       fprintf(stderr, Name ": Base domain set for "
+                                   "device: %s\n", dname);
+           } else {
+                 if (base_de != de || base_ss != ss) {
+                       if (verbose > 0)
+                             fprintf(stderr, Name ": %s does not belong to the same "
+                                         "domain/subset.\n",
+                                   dname);
+                             return 1;
+                 }
+           }
+
            freesize /= 2; /* convert to K */
            if (chunk) {
                  /* round to chunk size */
--
1.6.4.2


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