Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] Fix timezone handling on stat to os/2
  [CIFS] Incorrect hardlink count when original file is cached (oplocked)

1 files changed, 23 insertions, 10 deletions

diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 0bee8b7e521a..8e259969354b 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -69,17 +69,30 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode,
 			rc = -EOPNOTSUPP;  
 	}
 
-/* if (!rc)     */
-	{
-		/*   renew_parental_timestamps(old_file);
-		   inode->i_nlink++;
-		   mark_inode_dirty(inode);
-		   d_instantiate(direntry, inode); */
-		/* BB add call to either mark inode dirty or refresh its data and timestamp to current time */
+	d_drop(direntry);	/* force new lookup from server of target */
+
+	/* if source file is cached (oplocked) revalidate will not go to server
+	   until the file is closed or oplock broken so update nlinks locally */
+	if(old_file->d_inode) {
+		cifsInode = CIFS_I(old_file->d_inode);
+		if(rc == 0) {
+			old_file->d_inode->i_nlink++;
+			old_file->d_inode->i_ctime = CURRENT_TIME;
+			/* parent dir timestamps will update from srv
+			within a second, would it really be worth it
+			to set the parent dir cifs inode time to zero
+			to force revalidate (faster) for it too? */
+		}
+		/* if not oplocked will force revalidate to get info 
+		   on source file from srv */
+		cifsInode->time = 0;
+
+                /* Will update parent dir timestamps from srv within a second.
+		   Would it really be worth it to set the parent dir (cifs
+		   inode) time field to zero to force revalidate on parent
+		   directory faster ie 
+			CIFS_I(inode)->time = 0;  */
 	}
-	d_drop(direntry);	/* force new lookup from server */
-	cifsInode = CIFS_I(old_file->d_inode);
-	cifsInode->time = 0;	/* will force revalidate to go get info when needed */
 
 cifs_hl_exit:
 	kfree(fromName);