imsm: take chunksize into account when calculating blocks_per_member

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/super-intel.c b/super-intel.c
index bdb6793b1c3430ab024477214134443da5179c71..44958e43975b6ad80d3a46409e0e1e4e572d9851 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -1106,6 +1106,11 @@ static __u32 info_to_num_data_stripes(mdu_array_info_t *info)
        return num_stripes;
 }
 
+static __u32 info_to_blocks_per_member(mdu_array_info_t *info)
+{
+       return (info->size * 2) & ~(info_to_blocks_per_strip(info) - 1);
+}
+
 static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info,
                                  unsigned long long size, char *name,
                                  char *homehost, int *uuid)
@@ -1173,7 +1178,7 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info,
        }
        map = &vol->map[0];
        map->pba_of_lba0 = __cpu_to_le32(offset);
-       map->blocks_per_member = __cpu_to_le32(info->size * 2);
+       map->blocks_per_member = __cpu_to_le32(info_to_blocks_per_member(info));
        map->blocks_per_strip = __cpu_to_le16(info_to_blocks_per_strip(info));
        map->num_data_stripes = __cpu_to_le32(info_to_num_data_stripes(info));
        map->map_state = info->level ? IMSM_T_STATE_UNINITIALIZED :