1 files changed, 4 insertions, 1 deletions

diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 6af1c0073e9e..ba7c10c917fc 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -446,6 +446,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi)
         nilfs_mdt_destroy(nilfs->ns_cpfile);
         nilfs_mdt_destroy(nilfs->ns_sufile);
         nilfs_mdt_destroy(nilfs->ns_dat);
+        nilfs_mdt_destroy(nilfs->ns_gc_dat);
 
  failed:
         nilfs_clear_recovery_info(&ri);
@@ -775,6 +776,7 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
                                                    start * sects_per_block,
                                                    nblocks * sects_per_block,
                                                    GFP_NOFS,
+                                                   BLKDEV_IFL_WAIT |
                                                    BLKDEV_IFL_BARRIER);
                         if (ret < 0)
                                 return ret;
@@ -785,7 +787,8 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
                 ret = blkdev_issue_discard(nilfs->ns_bdev,
                                            start * sects_per_block,
                                            nblocks * sects_per_block,
-                                           GFP_NOFS, BLKDEV_IFL_BARRIER);
+                                           GFP_NOFS,
+                                          BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
         return ret;
 }