Re: [RFC 3/6] md: replace GENHD_FL_UP with GENHD_FL_DISK_ADDED on is_mddev_broken()

Hannes Reinecke
2021-07-16T05:51:07Z

On 7/15/21 10:23 PM, Luis Chamberlain wrote:
> The GENHD_FL_DISK_ADDED flag is what we really want, as the
> flag GENHD_FL_UP could be set on a semi-initialized device.
>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
> drivers/md/md.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/md/md.h b/drivers/md/md.h
> index 832547cf038f..80561bca1f51 100644
> --- a/drivers/md/md.h
> +++ b/drivers/md/md.h
> @@ -766,7 +766,7 @@ static inline bool is_mddev_broken(struct md_rdev *rdev, const char *md_type)
> {
> int flags = rdev->bdev->bd_disk->flags;
>
> - if (!(flags & GENHD_FL_UP)) {
> + if (!(flags & GENHD_FL_DISK_ADDED)) {
> if (!test_and_set_bit(MD_BROKEN, &rdev->mddev->flags))
> pr_warn("md: %s: %s array has a missing/failed member\n",
> mdname(rdev->mddev), md_type);
>
Why again did you introduce the wrapper?
Shouldn't it be used here?

Cheers,

Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
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