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)

2 files changed, 29 insertions, 10 deletions

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 1ad8c9f..c4fa91b 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -318,6 +318,7 @@ int cifs_get_inode_info(struct inode **pinode,
 	struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
 	char *tmp_path;
 	char *buf = NULL;
+	int adjustTZ = FALSE;
 
 	pTcon = cifs_sb->tcon;
 	cFYI(1,("Getting info on %s", search_path));
@@ -348,6 +349,7 @@ int cifs_get_inode_info(struct inode **pinode,
 					pfindData, cifs_sb->local_nls, 
 					cifs_sb->mnt_cifs_flags &
 					  CIFS_MOUNT_MAP_SPECIAL_CHR);
+			adjustTZ = TRUE;
 		}
 		
 	}
@@ -444,6 +446,10 @@ int cifs_get_inode_info(struct inode **pinode,
 		inode->i_ctime =
 		    cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime));
 		cFYI(0, ("Attributes came in as 0x%x", attr));
+		if(adjustTZ && (pTcon->ses) && (pTcon->ses->server)) {
+			inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj;
+	                inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
+		}
 
 		/* set default mode. will override for dirs below */
 		if (atomic_read(&cifsInfo->inUse) == 0)
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 0bee8b7..8e25996 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);