md: change the initialization value for a spare device spot to MD_DISK_ROLE_SPARE

The value for spare spot of sb->dev_roles is changed from
MD_DISK_ROLE_FAULTY to MD_DISK_ROLE_SPARE to keep align
with the value when the superblock is firstly created in
userspace.

Signed-off-by: Lidong Zhong <lzhong@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index d7847014821a8b1d7821de812fb50008b2ad0cb7..528c1452ce54da6b610bc1aa112739e2250e61e0 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1857,7 +1857,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
                max_dev = le32_to_cpu(sb->max_dev);
 
        for (i=0; i<max_dev;i++)
-               sb->dev_roles[i] = cpu_to_le16(MD_DISK_ROLE_FAULTY);
+               sb->dev_roles[i] = cpu_to_le16(MD_DISK_ROLE_SPARE);
 
        if (test_bit(MD_HAS_JOURNAL, &mddev->flags))
                sb->feature_map |= cpu_to_le32(MD_FEATURE_JOURNAL);