staging: lustre: lov: Get the correct address of lmm_objects

The introduction of lmm_layout_gen makes the assumption that
lmm_objects is present after lmm_stripe_count incorrect.
Fixed this to get the correct address of lmm_objects when lmmk is cast
to lov_mds_md_v1.

Signed-off-by: Swapnil Pimpale <spimpale@ddn.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3162
Reviewed-on: http://review.whamcloud.com/7258
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/lov/lov_pack.c b/drivers/staging/lustre/lustre/lov/lov_pack.c
index 9723d2e091b10c847fe59b91c5d062516ba1032c..d983a30b1e3a0fda04ebf7f2fc44ed7fa12b97ac 100644 (file)
--- a/drivers/staging/lustre/lustre/lov/lov_pack.c
+++ b/drivers/staging/lustre/lustre/lov/lov_pack.c
@@ -444,8 +444,7 @@ int lov_getstripe(struct obd_export *exp, struct lov_stripe_md *lsm,
        if (lum.lmm_magic == LOV_USER_MAGIC) {
                /* User request for v1, we need skip lmm_pool_name */
                if (lmmk->lmm_magic == LOV_MAGIC_V3) {
-                       memmove((char *)(&lmmk->lmm_stripe_count) +
-                               sizeof(lmmk->lmm_stripe_count),
+                       memmove(((struct lov_mds_md_v1 *)lmmk)->lmm_objects,
                                ((struct lov_mds_md_v3 *)lmmk)->lmm_objects,
                                lmmk->lmm_stripe_count *
                                sizeof(struct lov_ost_data_v1));