From: Czarnowska, Anna <anna.czarnowska@intel.com>
Date: Mon, 2 Apr 2012 00:18:37 +0000 (+1000)
Subject: check that no disk over 2TB is used to create container when no support
X-Git-Tag: mdadm-3.2.4~38
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9126b9a816b1576f58718dbb71bcaff2bfc274e3;p=thirdparty%2Fmdadm.git

check that no disk over 2TB is used to create container when no support

Creation of a container using disks over 2TB should be allowed only when orom supports large disks

Signed-off-by: Anna Czarnowska <anna.czarnowska@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/super-intel.c b/super-intel.c
index 7803a2e0..1bc9e9cd 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -5331,14 +5331,22 @@ static int validate_geometry_imsm_container(struct supertype *st, int level,
 		return 0;
 	}
 	close(fd);
-	if (super->orom && raiddisks > super->orom->tds) {
-		if (verbose)
-			fprintf(stderr, Name ": %d exceeds maximum number of"
-				" platform supported disks: %d\n",
-				raiddisks, super->orom->tds);
-
-		free_imsm(super);
-		return 0;
+	if (super->orom) {
+		if (raiddisks > super->orom->tds) {
+			if (verbose)
+				fprintf(stderr, Name ": %d exceeds maximum number of"
+					" platform supported disks: %d\n",
+					raiddisks, super->orom->tds);
+			free_imsm(super);
+			return 0;
+		}
+		if ((super->orom->attr & IMSM_OROM_ATTR_2TB_DISK) == 0 &&
+		    (ldsize >> 9) >> 32 > 0) {
+			if (verbose)
+				fprintf(stderr, Name ": %s exceeds maximum platform supported size\n", dev);
+			free_imsm(super);
+			return 0;
+		}
 	}
 
 	*freesize = avail_size_imsm(st, ldsize >> 9);