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| author | NeilBrown <neilb@suse.de> | 2011-07-28 11:31:47 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-07-28 11:31:47 +1000 |
| commit | 9f2f3830789a4c9c1af2d1437d407c43e05136e6 (patch) | |
| tree | 8e20afbfca82acd7346fb93d35170f44ee01a807 /drivers/md | |
| parent | 2699b67223aca6b1450fc2f72e40fada952afc85 (diff) | |
| download | lwn-9f2f3830789a4c9c1af2d1437d407c43e05136e6.tar.gz lwn-9f2f3830789a4c9c1af2d1437d407c43e05136e6.zip | |
md: Disable bad blocks and v0.90 metadata.
v0.90 metadata cannot record bad blocks, so when loading metadata
for such a device, set shift to -1.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index e2ec8bd0fb94..7ae3c5a18001 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1058,6 +1058,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version rdev->preferred_minor = sb->md_minor; rdev->data_offset = 0; rdev->sb_size = MD_SB_BYTES; + rdev->badblocks.shift = -1; if (sb->level == LEVEL_MULTIPATH) rdev->desc_nr = -1; @@ -3004,6 +3005,9 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi goto abort_free; } } + if (super_format == -1) + /* hot-add for 0.90, or non-persistent: so no badblocks */ + rdev->badblocks.shift = -1; return rdev; |