From: Fan Yong <Yong.Fan@Sun.COM>
Date: Tue, 23 Mar 2010 18:36:59 +0000 (-0700)
Subject: b=22342 more sanity check for same dentry.
X-Git-Tag: 1.10.0.39~35
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=cc580d67ee72fce637374891714885c889dce026;hp=64218d0b47731c039234b16b8343d8ee3b407281

b=22342 more sanity check for same dentry.

More sanity check for same dentry.

i=robert.read
i=eric.mei
---

diff --git a/lustre/llite/namei.c b/lustre/llite/namei.c
index 3106c36..9eecc1f 100644
--- a/lustre/llite/namei.c
+++ b/lustre/llite/namei.c
@@ -411,7 +411,9 @@ static struct dentry *ll_find_alias(struct inode *inode, struct dentry *de)
                 iput(inode);
                 return last_discon;
         }
+        lock_dentry(de);
         de->d_flags |= DCACHE_LUSTRE_INVALID;
+        unlock_dentry(de);
         ll_d_add(de, inode);
 
         spin_unlock(&dcache_lock);
diff --git a/lustre/llite/statahead.c b/lustre/llite/statahead.c
index bd76343..503235a 100644
--- a/lustre/llite/statahead.c
+++ b/lustre/llite/statahead.c
@@ -1094,7 +1094,9 @@ static int is_same_dentry(struct dentry *d1, struct dentry *d2)
 {
         if (unlikely(d1 == d2))
                 return 1;
-        if (d1->d_name.len == d2->d_name.len &&
+        if (d1->d_parent == d2->d_parent &&
+            d1->d_name.hash == d2->d_name.hash &&
+            d1->d_name.len == d2->d_name.len &&
             memcmp(d1->d_name.name, d2->d_name.name, d1->d_name.len) == 0)
                 return 1;
         return 0;