Re: [PATCH 2/2] mdadm: remove journal with "remove-journal"

[jes.sorensen@gmail.com]

Song Liu <songliubraving@fb.com> writes:
> When journal device of an array fails, the array is forced into read-only
> mode. To make the array normal without adding another journal device, we
> need to remove journal _feature_ from the array.
>
> This patch is the mdadm part of removing journal feature for an array with
> failed or missing journal.
>
> Two flags are added to GET_ARRAY_INFO:
>   1. MD_SB_HAS_JOURNAL: meaning the array have journal feature;
>   2. MD_SB_JOURNAL_REMOVABLE: meaning the journal is faulty or missing
>
> When both flags are set, mdadm will use ioctl SET_ARRAY_INFO to clear
> MD_SB_HAS_JOURNAL, and thus remove journal feature from the array.
>
> Signed-off-by: Song Liu <songliubraving@fb.com>
> ---
>  Manage.c | 26 ++++++++++++++++++++++++++
>  ReadMe.c |  1 +
>  mdadm.c  |  9 ++++++++-
>  mdadm.h  |  3 +++
>  4 files changed, 38 insertions(+), 1 deletion(-)

Applied!

Thanks,
Jes