From: Czarnowska, Anna
Sent: Monday, July 05, 2010 11:26 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 12/33] assembly: user domain/subset from configuration file in assembly process
From: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@xxxxxxxxx>
Device and volume/container must be in the same domain/subset to be assembled.
Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@xxxxxxxxx>
---
Assemble.c | 32 ++++++++++++++++++++++++++++++++
1 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/Assemble.c b/Assemble.c
index 1504f1f..cc51428 100644
--- a/Assemble.c
+++ b/Assemble.c
@@ -169,6 +169,9 @@ int Assemble(struct supertype *st, char *mddev,
int trustworthy;
char chosen_name[1024];
+ struct domain_ent *domain = NULL, *de;
+ struct subset *subset = NULL, *ss;
+
if (get_linux_version() < 2004000)
old_linux = 1;
@@ -384,6 +387,35 @@ int Assemble(struct supertype *st, char *mddev,
if (tst == NULL || tst->sb == NULL)
continue;
}
+
+ if (!tst->loaded_container) { /* do not test container, just members */
+ de = conf_get_domain(devname, (char *)tst->ss->name);
+ if (!de) {
+ fprintf(stderr, Name ": Can't determine domain of %s.",
+ devname);
+ if (st)
+ st->ss->free_super(st);
+ return 1;
+ }
+ ss = conf_get_subset(devname, st, de);
+ if (!domain) {
+ if (report_missmatch) {
+ fprintf(stderr, Name ": Base domain set for "
+ "device: %s\n",
+ devname);
+ }
+ domain = de;
+ subset = ss;
+ } else {
+ if (domain != de || subset != ss) {
+ if (report_missmatch)
+ fprintf(stderr, Name ": %s does not belong to the same "
+ "domain/subset.\n",
+ devname);
+ goto loop;
+ }
+ }
+ }
/* If we are this far, then we are nearly commited to this device.
* If the super_block doesn't exist, or doesn't match others,
* then we probably cannot continue
--
1.6.4.2
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