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path: root/drivers/md/dm-exception-store.c
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Diffstat (limited to 'drivers/md/dm-exception-store.c')
-rw-r--r--drivers/md/dm-exception-store.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 2b7907b6dd09..0bdb201c2c2a 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -173,7 +173,9 @@ int dm_exception_store_set_chunk_size(struct dm_exception_store *store,
/* Validate the chunk size against the device block size */
if (chunk_size %
- (bdev_logical_block_size(dm_snap_cow(store->snap)->bdev) >> 9)) {
+ (bdev_logical_block_size(dm_snap_cow(store->snap)->bdev) >> 9) ||
+ chunk_size %
+ (bdev_logical_block_size(dm_snap_origin(store->snap)->bdev) >> 9)) {
*error = "Chunk size is not a multiple of device blocksize";
return -EINVAL;
}