diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-17 17:47:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-17 17:47:32 -0700 |
| commit | 1ce41cd849d476f45b2dccaf40b39fe6c4f8d793 (patch) | |
| tree | 127b1329fb8fc0178b24c179e4dc5857f359d1b9 /drivers/md/md.c | |
| parent | 846b99964a7f43255e816f9c5475de37dc5a0a1b (diff) | |
| parent | e0ee778528bbaad28a5c69d2e219269a3a096607 (diff) | |
Merge tag 'md-3.6-fixes' of git://neil.brown.name/md
Pull md fixes from NeilBrown:
"2 fixes for md, tagged for -stable"
* tag 'md-3.6-fixes' of git://neil.brown.name/md:
md/raid10: fix problem with on-stack allocation of r10bio structure.
md: Don't truncate size at 4TB for RAID0 and Linear
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 9 |
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); |