imsm: FIX: Calculate backup location based on metadata information

Use metadata information to calculate backup write offset.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/super-intel.c b/super-intel.c
index 810272022f8eac252ed97389cc74807585dfb4bc..0ac3827d14c6f9a7cd6f5e5c58f88fe1196e972f 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -7849,7 +7849,7 @@ int recover_backup_imsm(struct supertype *st, struct mdinfo *info)
 
        write_offset = ((unsigned long long)
                        __le32_to_cpu(migr_rec->dest_1st_member_lba) +
-                       info->data_offset) * 512;
+                       __le32_to_cpu(map_dest->pba_of_lba0)) * 512;
 
        unit_len = __le32_to_cpu(migr_rec->dest_depth_per_unit) * 512;
        if (posix_memalign((void **)&buf, 512, unit_len) != 0)