On Mon, Jun 12, 2017 at 10:45:55AM +0800, Lidong Zhong wrote: > 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. Could you point out where mdadm does this? I'm wondering what's the impact here. If there is a disk, we will set correct role at the end of super_1_sync(), otherwise faulty sounds more reasonable. Jes, Could you help check this? Thanks, Shaohua > Signed-off-by: Lidong Zhong <lzhong@xxxxxxxx> > --- > drivers/md/md.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/md/md.c b/drivers/md/md.c > index 87edc342ccb3..a9aacedefbca 100644 > --- a/drivers/md/md.c > +++ b/drivers/md/md.c > @@ -1852,7 +1852,7 @@ 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); > -- > 2.12.0 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html