From: Lai Siyao <lai.siyao@intel.com>
Date: Fri, 26 Dec 2014 14:15:35 +0000 (+0800)
Subject: LU-5914 lfsck: dt_lookup() LBUG
X-Git-Tag: 2.6.92~3
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=4950f42fb6286f4cf5e6092593acabde76a8f093

LU-5914 lfsck: dt_lookup() LBUG

This patch contains two fixes:
1. object can be remote in lfsck_namespace_rebuild_linkea(), remove
   assert on this.
2. initialize dt_index_ops for parent in l_n_verify_stripe_slave()
   before dt_lookup() on it.

Signed-off-by: Lai Siyao <lai.siyao@intel.com>
Change-Id: I0755f471470cc0805db222640bba1d04f4128388
Reviewed-on: http://review.whamcloud.com/13188
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/lfsck/lfsck_namespace.c b/lustre/lfsck/lfsck_namespace.c
index c67e5fc..8352fb7 100644
--- a/lustre/lfsck/lfsck_namespace.c
+++ b/lustre/lfsck/lfsck_namespace.c
@@ -1973,8 +1973,6 @@ int lfsck_namespace_rebuild_linkea(const struct lu_env *env,
 	int				 rc	= 0;
 	ENTRY;
 
-	LASSERT(!dt_object_remote(obj));
-
 	th = dt_trans_create(env, dev);
 	if (IS_ERR(th))
 		GOTO(log, rc = PTR_ERR(th));
diff --git a/lustre/lfsck/lfsck_striped_dir.c b/lustre/lfsck/lfsck_striped_dir.c
index b0103df..6b3f69d 100644
--- a/lustre/lfsck/lfsck_striped_dir.c
+++ b/lustre/lfsck/lfsck_striped_dir.c
@@ -1728,6 +1728,9 @@ int lfsck_namespace_verify_stripe_slave(const struct lu_env *env,
 		GOTO(out, rc);
 	}
 
+	if (unlikely(!dt_try_as_dir(env, parent)))
+		GOTO(out, rc = -ENOTDIR);
+
 	rc = lfsck_read_stripe_lmv(env, parent, plmv);
 	if (rc != 0) {
 		int rc1;