LU-4684 lod: parse layout for migrating directory

If directory migration failed, it will be marked
LMV_HASH_FLAG_MIGRATION, lod_parse_dir_striping() should parse
layout for such directory, otherwise such directory can't be
accessed correctly.

Signed-off-by: Lai Siyao <lai.siyao@whamcloud.com>
Change-Id: I5ee2c2e3e5aa3f9befc3ad81be4bcdc6f9267842
Reviewed-on: https://review.whamcloud.com/33456
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Mike Pershin <mpershin@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

diff --git a/lustre/lod/lod_object.c b/lustre/lod/lod_object.c
index ce578bc..babe445 100644 (file)
--- a/lustre/lod/lod_object.c
+++ b/lustre/lod/lod_object.c
@@ -1662,9 +1662,6 @@ int lod_parse_dir_striping(const struct lu_env *env, struct lod_object *lo,
 
        LASSERT(mutex_is_locked(&lo->ldo_layout_mutex));
 
-       if (le32_to_cpu(lmv1->lmv_hash_type) & LMV_HASH_FLAG_MIGRATION)
-               RETURN(0);
-
        if (le32_to_cpu(lmv1->lmv_magic) == LMV_MAGIC_STRIPE) {
                lo->ldo_dir_slave_stripe = 1;
                RETURN(0);