linux-kernel - [PATCH v2 RESEND 2/8] staging/lustre/llite: don't d

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Date:	Wed, 22 Jan 2014 21:36:13 +0800
From:	Peng Tao <bergwolf@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, Lai Siyao <laisiyao@...mcloud.com>,
	Lai Siyao <lai.siyao@...el.com>, Peng Tao <bergwolf@...il.com>,
	Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH v2 RESEND 2/8] staging/lustre/llite: don't d_add for create only files

From: Lai Siyao <laisiyao@...mcloud.com>

This is only part of the original Lustre commit. Splitted to remove
d_add() for create only files, because the dentry is fake,
and will be released right after use.

Lustre-change: http://review.whamcloud.com/6797
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3486
Signed-off-by: Lai Siyao <lai.siyao@...el.com>
Reviewed-by: James Simmons <uja.ornl@...il.com>
Reviewed-by: Peng Tao <bergwolf@...il.com>
Reviewed-by: Bobi Jam <bobijam@...il.com>
Reviewed-by: Fan Yong <fan.yong@...el.com>
Reviewed-by: Alexey Shvetsov <alexxy@...too.org>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: Peng Tao <bergwolf@...il.com>
Signed-off-by: Andreas Dilger <andreas.dilger@...el.com>
---
 drivers/staging/lustre/lustre/llite/namei.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
index bc1a644..1d03a6f 100644
--- a/drivers/staging/lustre/lustre/llite/namei.c
+++ b/drivers/staging/lustre/lustre/llite/namei.c
@@ -583,11 +583,8 @@ static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
 	       parent->i_generation, parent, flags);
 
 	/* Optimize away (CREATE && !OPEN). Let .create handle the race. */
-	if ((flags & LOOKUP_CREATE ) && !(flags & LOOKUP_OPEN)) {
-		__d_lustre_invalidate(dentry);
-		d_add(dentry, NULL);
+	if ((flags & LOOKUP_CREATE) && !(flags & LOOKUP_OPEN))
 		return NULL;
-	}
 
 	if (flags & (LOOKUP_PARENT|LOOKUP_OPEN|LOOKUP_CREATE))
 		itp = NULL;
-- 
1.7.9.5

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