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-rw-r--r--Grow.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/Grow.c b/Grow.c
index 82f3cc17..7b9cc70e 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1875,6 +1875,7 @@ size_change_error:
if ((s->level == UnSet || s->level == array.level) &&
(s->layout_str == NULL) &&
(s->chunk == 0 || s->chunk == array.chunk_size) &&
+ data_offset == INVALID_SECTORS &&
(s->raiddisks == 0 || s->raiddisks == array.raid_disks)) {
/* Nothing more to do */
if (!changed && c->verbose >= 0)
@@ -2757,6 +2758,9 @@ static int reshape_array(char *container, int fd, char *devname,
Manage_subdevs(devname, fd, devlist, verbose,
0,NULL, 0);
+
+ if (reshape.backup_blocks == 0 && data_offset)
+ reshape.backup_blocks = reshape.before.data_disks * info->array.chunk_size/512;
if (reshape.backup_blocks == 0) {
/* No restriping needed, but we might need to impose
* some more changes: layout, raid_disks, chunk_size