From: yangsheng <yang.sheng@intel.com>
Date: Wed, 13 Nov 2013 13:30:35 +0000 (+0800)
Subject: LU-3373 llite: instantiate negative dentry
X-Git-Tag: 2.5.53~72
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=0f2d93c95dec9931e597270e1251019d0e4099ed

LU-3373 llite: instantiate negative dentry

In the atomic_open callback. We should instantiate
negative dentry. Else will got sanity:183 failed.

Signed-off-by: yang sheng <yang.sheng@intel.com>
Change-Id: I83bc4a8995dfb813a381e910cc94cef6fe3721c3
Reviewed-on: http://review.whamcloud.com/8110
Tested-by: Jenkins
Reviewed-by: Peng Tao <bergwolf@gmail.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/llite/namei.c b/lustre/llite/namei.c
index 4c5dfe7..8876711 100644
--- a/lustre/llite/namei.c
+++ b/lustre/llite/namei.c
@@ -475,6 +475,12 @@ int ll_lookup_it_finish(struct ptlrpc_request *request,
 		if (IS_ERR(alias))
 			RETURN(PTR_ERR(alias));
 		*de = alias;
+	} else if (!it_disposition(it, DISP_LOOKUP_NEG)  &&
+		   !it_disposition(it, DISP_OPEN_CREATE)) {
+		/* With DISP_OPEN_CREATE dentry will
+		   instantiated in ll_create_it. */
+		LASSERT((*de)->d_inode == NULL);
+		d_instantiate(*de, inode);
 	}
 
 	if (!it_disposition(it, DISP_LOOKUP_NEG)) {