From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Tue, 6 Sep 2011 01:32:37 +0000 (-0400)
Subject: Unionfs: force only one open lower file after copyup in open(2)
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=81849bf220b5e3453749b380652037bc217e68a7;p=unionfs-2.6.9.y.git

Unionfs: force only one open lower file after copyup in open(2)

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---

diff --git a/fs/unionfs/commonfops.c b/fs/unionfs/commonfops.c
index c5acdea965c..4b295d1bd16 100644
--- a/fs/unionfs/commonfops.c
+++ b/fs/unionfs/commonfops.c
@@ -505,8 +505,11 @@ static int __open_file(struct inode *inode, struct file *file,
 			for (bindex = bstart - 1; bindex >= 0; bindex--) {
 				err = copyup_file(parent->d_inode, file,
 						  bstart, bindex, size);
-				if (!err)
+				if (!err) {
+					/* only one regular file open */
+					fbend(file) = fbstart(file);
 					break;
+				}
 			}
 			return err;
 		} else {