On Tue, Dec 22 2015, Xiao Ni wrote:
> If reshape one raid device with bitmap to raid0, the reshape progress will
> start. But it'll fail and lose some components. So it should remove bitmap
> first.
>
> Signed-off-by: Xiao Ni <xni@xxxxxxxxxx>
> ---
> Grow.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/Grow.c b/Grow.c
> index 6dfb9c9..db4daa8 100755
> --- a/Grow.c
> +++ b/Grow.c
> @@ -1590,6 +1590,15 @@ int Grow_reshape(char *devname, int fd,
> pr_err("Cannot increase raid-disks on this array beyond %d\n", st->max_devs);
> return 1;
> }
> + if (s->level == 0 &&
> + (array.state & (1<<MD_SB_BITMAP_PRESENT)) &&
> + !(array.state & (1<<MD_SB_CLUSTERED))) {
> + array.state &= ~(1<<MD_SB_BITMAP_PRESENT);
> + if (ioctl(fd, SET_ARRAY_INFO, &array)!= 0) {
> + pr_err("failed to remove internal bitmap.\n");
> + return 1;
> + }
> + }
>
> /* in the external case we need to check that the requested reshape is
> * supported, and perform an initial check that the container holds the
applied, thanks.
NeilBrown
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