On Wed, 09 Mar 2011 14:46:34 +0100 Adam Kwolek <adam.kwolek@xxxxxxxxx> wrote:
> For not reshaped array in container during assembly array is in auto-read-only state.
> It is not possible to set disk slot for such array and later reshape cannot be started also.
> To move array from 'auto-read-only' to 'active' state storing 'active' state
> to sysfs is added. This allows for disks configuration and reshape.
>
> During reshaped array restart it is disabled by condition on restart variable.
>
> When reshape is starting, storing 'active' state
> to already active array should not matter.
>
> Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
> ---
>
> Grow.c | 9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/Grow.c b/Grow.c
> index e392290..9a831f4 100644
> --- a/Grow.c
> +++ b/Grow.c
> @@ -1654,6 +1654,15 @@ static int reshape_array(char *container, int fd, char *devname,
> info->new_level = UnSet;
> msg = analyse_change(info, &reshape);
> info->new_level = new_level;
> + if (!restart) {
> + sra = sysfs_read(fd, 0, GET_VERSION);
> + if (sra) {
> + sysfs_set_str(sra, NULL,
> + "array_state", "active");
> + sysfs_free(sra);
> + sra = NULL;
> + }
> + }
> } else
> msg = analyse_change(info, &reshape);
> if (msg) {
>
I changed this to just use the RESTART_ARRAY_RW ioctl instead.
Thanks,
NeilBrown
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