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authorOlof Johansson <olof@lixom.net>2012-09-05 15:35:48 -0700
committerOlof Johansson <olof@lixom.net>2012-09-05 15:35:48 -0700
commit1875962377574b4edb7b164001e3e341c25290d5 (patch)
tree374a5299403ec21e2d9a66a6548ce876a388b589 /drivers/md/md.c
parent5cbee140a28c2746449ae31e85738043ae4da927 (diff)
parentc88a79a7789b2909ad1cf69ea2c9142030bbd6f4 (diff)
downloadop-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.zip
op-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.tar.gz
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs' + sync to 3.6-rc3
Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index fcd0987..3f6203a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1108,8 +1108,11 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor
ret = 0;
}
rdev->sectors = rdev->sb_start;
- /* Limit to 4TB as metadata cannot record more than that */
- if (rdev->sectors >= (2ULL << 32))
+ /* Limit to 4TB as metadata cannot record more than that.
+ * (not needed for Linear and RAID0 as metadata doesn't
+ * record this size)
+ */
+ if (rdev->sectors >= (2ULL << 32) && sb->level >= 1)
rdev->sectors = (2ULL << 32) - 2;
if (rdev->sectors < ((sector_t)sb->size) * 2 && sb->level >= 1)
@@ -1400,7 +1403,7 @@ super_90_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
/* Limit to 4TB as metadata cannot record more than that.
* 4TB == 2^32 KB, or 2*2^32 sectors.
*/
- if (num_sectors >= (2ULL << 32))
+ if (num_sectors >= (2ULL << 32) && rdev->mddev->level >= 1)
num_sectors = (2ULL << 32) - 2;
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page);
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