ecryptfs: add bdi backing to mount session
This ensures that dirty data gets flushed properly.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index 278743c..0c0ae49 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -122,6 +122,7 @@
lock_kernel();
ecryptfs_destroy_mount_crypt_stat(&sb_info->mount_crypt_stat);
+ bdi_destroy(&sb_info->bdi);
kmem_cache_free(ecryptfs_sb_info_cache, sb_info);
ecryptfs_set_superblock_private(sb, NULL);