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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>
This commit is contained in:
Lidong Zhong 2017-06-12 10:45:55 +08:00 committed by Shaohua Li
parent 037d2ff62c
commit 8df7202439
1 changed files with 1 additions and 1 deletions
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2
drivers/md/md.c
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@ -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);