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authorIngo Molnar <mingo@kernel.org>2012-09-19 17:32:12 +0200
committerIngo Molnar <mingo@kernel.org>2012-09-19 17:32:12 +0200
commit81a15f2ee56fe725ce68e3cdad982117e261d47d (patch)
tree930188dd285b2c2b8c0625849d24bf68ed1f0ca0 /drivers/md/md.c
parent0570a365a6b8ccbfe7baa459de2b7396ddf2de90 (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
Merge tag 'v3.6-rc6' into x86/cleanups
Merge Linux v3.6-rc6 before applying more cleanups. Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 fcd098794d37..3f6203a4c7ea 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);