[md PATCH 05/36] md: Disable bad blocks and v0.90 metadata.
flat view
STALE5559d
From: NeilBrown <hidden>
Date: 2011-07-21 02:58:48
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
v0.90 metadata cannot record bad blocks, so when loading metadata for such a device, set shift to -1. Signed-off-by: NeilBrown <redacted> --- 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 18c3aab..340e2d4 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;
@@ -3009,6 +3010,9 @@ 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;