[PATCHv2 1/2] super1: ignore failfast flag for setting device role

[Gioh Kim]

There is corner case for setting device role,
if new device has failfast flag.
The failfast flag should be ignored.

Signed-off-by: Gioh Kim <gi-oh....@profitbricks.com>
Signed-off-by: Jack Wang <jinpu.w...@profitbricks.com>
---
 super1.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/super1.c b/super1.c
index 882cd61..f3520ac 100644
--- a/super1.c
+++ b/super1.c
@@ -1491,6 +1491,7 @@ static int add_to_super1(struct supertype *st, 
mdu_disk_info_t *dk,
        struct devinfo *di, **dip;
        bitmap_super_t *bms = (bitmap_super_t*)(((char*)sb) + MAX_SB_SIZE);
        int rv, lockid;
+       int dk_state;
 
        if (bms->version == BITMAP_MAJOR_CLUSTERED && dlm_funs_ready()) {
                rv = cluster_get_dlmlock(&lockid);
@@ -1501,11 +1502,12 @@ static int add_to_super1(struct supertype *st, 
mdu_disk_info_t *dk,
                }
        }
 
-       if ((dk->state & 6) == 6) /* active, sync */
+       dk_state = dk->state & ~(1<<MD_DISK_FAILFAST);
+       if ((dk_state & 6) == 6) /* active, sync */
                *rp = __cpu_to_le16(dk->raid_disk);
-       else if (dk->state & (1<<MD_DISK_JOURNAL))
+       else if (dk_state & (1<<MD_DISK_JOURNAL))
                 *rp = MD_DISK_ROLE_JOURNAL;
-       else if ((dk->state & ~2) == 0) /* active or idle -> spare */
+       else if ((dk_state & ~2) == 0) /* active or idle -> spare */
                *rp = MD_DISK_ROLE_SPARE;
        else
                *rp = MD_DISK_ROLE_FAULTY;
-- 
2.5.0