1 files changed, 16 insertions, 9 deletions

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 16b2152..aa4ea96 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -465,12 +465,20 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct name
 			direntry->d_op = &cifs_dentry_ops;
 		d_add(direntry, newInode);
 
-		/* since paths are not looked up by component - the parent directories are presumed to be good here */
+		/* since paths are not looked up by component - the parent 
+		   directories are presumed to be good here */
 		renew_parental_timestamps(direntry);
 
 	} else if (rc == -ENOENT) {
 		rc = 0;
+		direntry->d_time = jiffies;
+		if (pTcon->nocase)
+			direntry->d_op = &cifs_ci_dentry_ops;
+		else
+			direntry->d_op = &cifs_dentry_ops;
 		d_add(direntry, NULL);
+	/*	if it was once a directory (but how can we tell?) we could do  
+			shrink_dcache_parent(direntry); */
 	} else {
 		cERROR(1,("Error 0x%x on cifs_get_inode_info in lookup of %s",
 			   rc,full_path));
@@ -489,21 +497,20 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
 {
 	int isValid = 1;
 
-/*	lock_kernel(); *//* surely we do not want to lock the kernel for a whole network round trip which could take seconds */
-
 	if (direntry->d_inode) {
 		if (cifs_revalidate(direntry)) {
-			/* unlock_kernel(); */
 			return 0;
 		}
 	} else {
-		cFYI(1,
-		     ("In cifs_d_revalidate with no inode but name = %s and dentry 0x%p",
-		      direntry->d_name.name, direntry));
+		cFYI(1, ("neg dentry 0x%p name = %s",
+			 direntry, direntry->d_name.name));
+		if(time_after(jiffies, direntry->d_time + HZ) || 
+			!lookupCacheEnabled) {
+			d_drop(direntry);
+			isValid = 0;
+		} 
 	}
 
-/*    unlock_kernel(); */
-
 	return isValid;
 }