On Wed, 12 Jan 2011 14:55:26 +0100 Adam Kwolek <adam.kwolek@xxxxxxxxx> wrote:
> When reshape is started metadata tells mdadm that reshape is active via reshape_active variable.
> When reshape is finished mdmon updates metadata to end reshape in metadata for current array.
> We have reload metadata to get this flag updated and switch to next array (if exists)
> for container reshape case. This is indicated by forked flag. Function has to returned
> to caller with reloaded metadata information /up to date/.
>
> Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
> ---
>
> Grow.c | 19 ++++++++++++++++++-
> 1 files changed, 18 insertions(+), 1 deletions(-)
>
> diff --git a/Grow.c b/Grow.c
> index 519fbc2..3455115 100644
> --- a/Grow.c
> +++ b/Grow.c
> @@ -2021,8 +2021,25 @@ static int reshape_array(char *container, int fd, char *devname,
> "to %s\n", devname, c);
> }
> out:
> - if (forked)
> + if (forked) {
> + if (!rv) {
> + if (container)
> + ping_monitor(container);
> + if (st->ss->external) {
> + /* Re-load the metadata as much
> + * could have changed
> + */
> + int cfd = open_dev(st->container_dev);
> + if (cfd >= 0) {
> + st->ss->free_super(st);
> + st->ss->load_container(st, cfd,
> + container);
> + close(cfd);
> + }
> + }
> + }
> return 0;
> + }
> exit(0);
> case -1:
> fprintf(stderr, Name ": Cannot run child to monitor reshape: %s\n",
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
Thanks. Instead of applying this I have rearrange the tail end of
reshape_array substantially which will hopefully have the same effect - or
better.
Thanks,
NeilBrown
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
