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Message-ID: <CALTww28fa_LUVfzswTmpascZEYr-PdyjgoU88A+H9Q7CP04VXA@mail.gmail.com>
Date: Wed, 23 Aug 2023 10:20:46 +0800
From: Xiao Ni <xni@...hat.com>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: song@...nel.org, mariusz.tkaczyk@...ux.intel.com,
linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
yukuai3@...wei.com, yi.zhang@...wei.com, yangerkun@...wei.com
Subject: Re: [PATCH -next v3 5/7] md: factor out a helper rdev_is_spare() from remove_and_add_spares()
On Sun, Aug 20, 2023 at 5:13 PM Yu Kuai <yukuai1@...weicloud.com> wrote:
>
> From: Yu Kuai <yukuai3@...wei.com>
>
> 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@...wei.com>
> ---
> drivers/md/md.c | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index ceace5ffadd6..11d27c934fdd 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -9169,6 +9169,14 @@ static bool rdev_removeable(struct md_rdev *rdev)
> return true;
> }
>
> +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)
> {
> @@ -9217,13 +9225,10 @@ 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;
Hi Kuai
Why not put rdev_is_spare after testing Candidate?
Best Regards
Xiao
> - 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))
> --
> 2.39.2
>
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