From: green <green>
Date: Tue, 1 Sep 2009 00:01:05 +0000 (+0000)
Subject: b=18534
X-Git-Tag: v1_8_2_01~1^2~149
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=e77e8414d5d84087557f9235ab2d0402307ecf13;p=fs%2Flustre-release.git

b=18534
r=adilger,shadow

Reduce number of RPCs for mkdir/mknod by 1.
---

diff --git a/lustre/llite/namei.c b/lustre/llite/namei.c
index 8730f1f..d88ae6c 100644
--- a/lustre/llite/namei.c
+++ b/lustre/llite/namei.c
@@ -687,6 +687,12 @@ static struct dentry *ll_lookup_nd(struct inode *parent, struct dentry *dentry,
                         it = ll_d2d(dentry)->lld_it;
                         ll_d2d(dentry)->lld_it = NULL;
                 } else {
+                        if ((nd->flags & LOOKUP_CREATE ) && !(nd->flags & LOOKUP_OPEN)) {
+                                /* We are sure this is new dentry, so we need to create
+                                   our private data and set the dentry ops */ 
+                                ll_dops_init(dentry, 1);
+                                RETURN(NULL);
+                        }
                         it = ll_convert_intent(&nd->intent.open, nd->flags);
                         if (IS_ERR(it))
                                 RETURN((struct dentry *)it);