Dear Adam,
Am Donnerstag, den 24.11.2011, 13:19 +0100 schrieb Adam Kwolek:
> When external metadata doesn't support BBM, mdadm cannot answer correctly
> for BBM requests. It causes reshape process being stopped.
>
> Add ability for external metadata /mdadm/ to disable BBM via sysfs.
> md will ignore bad blocks as it is for metadata v0.90.
>
> Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
> ---
>
> drivers/md/md.c | 11 ++++++++++-
> 1 files changed, 10 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index 266e82e..6591108 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -2935,7 +2935,16 @@ static ssize_t bb_show(struct md_rdev *rdev, char *page)
> }
> static ssize_t bb_store(struct md_rdev *rdev, const char *page, size_t len)
> {
> - int rv = badblocks_store(&rdev->badblocks, page, len, 0);
> + int rv;
> +
> + /* disable bad blocks managment
manag*e*ment
> + */
> + if (strstr(page, "disable") == page) {
> + bb->shift = -1;
> + return len;
> + }
> +
> + rv = badblocks_store(&rdev->badblocks, page, len, 0);
> /* Maybe that ack was all we needed */
> if (test_and_clear_bit(BlockedBadBlocks, &rdev->flags))
> wake_up(&rdev->blocked_wait);
Also this seems to collide with PATCH 11/11, does not it?
Thanks,
Paul
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