md: factor out a helper rdev_is_spare() from remove_and_add_spares()

There are no functional changes, just to make the code simpler and
prepare to delay remove_and_add_spares() to md_start_sync().

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230825031622.1530464-6-yukuai1@huaweicloud.com
This commit is contained in:
Yu Kuai 2023-08-25 11:16:20 +08:00 committed by Song Liu
parent 3389d57f97
commit b172a0704d

View file

@ -9200,6 +9200,14 @@ static bool rdev_removeable(struct md_rdev *rdev)
return false;
}
static bool rdev_is_spare(struct md_rdev *rdev)
{
return !test_bit(Candidate, &rdev->flags) && rdev->raid_disk >= 0 &&
!test_bit(In_sync, &rdev->flags) &&
!test_bit(Journal, &rdev->flags) &&
!test_bit(Faulty, &rdev->flags);
}
static int remove_and_add_spares(struct mddev *mddev,
struct md_rdev *this)
{
@ -9255,13 +9263,10 @@ static int remove_and_add_spares(struct mddev *mddev,
rdev_for_each(rdev, mddev) {
if (this && this != rdev)
continue;
if (rdev_is_spare(rdev))
spares++;
if (test_bit(Candidate, &rdev->flags))
continue;
if (rdev->raid_disk >= 0 &&
!test_bit(In_sync, &rdev->flags) &&
!test_bit(Journal, &rdev->flags) &&
!test_bit(Faulty, &rdev->flags))
spares++;
if (rdev->raid_disk >= 0)
continue;
if (test_bit(Faulty, &rdev->flags))