When disks are added size has to increase in metadata.
This size should be used by common code to set size in md when reshape will be finished.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
super-intel.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/super-intel.c b/super-intel.c
index dc4f308..72b6cf5 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -5672,6 +5672,7 @@ static void imsm_process_update(struct supertype *st,
/* update one device only
*/
if (devices_to_reshape) {
+ int used_disks;
dprintf("process_update(): modifying "\
"subdev: %i\n", id->index);
devices_to_reshape--;
@@ -5688,6 +5689,28 @@ static void imsm_process_update(struct supertype *st,
*/
newmap = get_imsm_map(newdev, 1);
memcpy(newmap, oldmap, sizeof_imsm_map(oldmap));
+
+ /* calculate new size
+ */
+ used_disks = imsm_num_data_members(newdev, 0);
+ if (used_disks) {
+ unsigned long long array_blocks;
+
+ array_blocks =
+ newmap->blocks_per_member
+ * used_disks;
+ /* round array size down to closest MB
+ */
+ array_blocks = (array_blocks
+ >> SECT_PER_MB_SHIFT)
+ << SECT_PER_MB_SHIFT;
+ newdev->size_low =
+ __cpu_to_le32(
+ (__u32)array_blocks);
+ newdev->size_high =
+ __cpu_to_le32(
+ (__u32)(array_blocks >> 32));
+ }
}
sp = (void **)id->dev;
--
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