Gioh Kim <gi-oh.kim@xxxxxxxxxxxxxxxx> writes:
> 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.kim@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>
> ---
> super1.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/super1.c b/super1.c
> index 882cd61..1da33ef 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 &= ~(1<<MD_DISK_FAILFAST);
> + if ((dk_state & 6) == 6) /* active, sync */
> *rp = __cpu_to_le16(dk->raid_disk);
This does not look right - you haven't assigned a value to dk_state, but
then start masking bits out of it.
Cheers,
Jes
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