From: Erez Zadok <ezk@cs.sunysb.edu>
Date: Sat, 30 Apr 2011 05:33:57 +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=ec222f724a91602fedb4a764051cbade7e94002c;p=unionfs-2.6.39.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 77ddfe4632c..0f6cba3c800 100644
--- a/fs/unionfs/commonfops.c
+++ b/fs/unionfs/commonfops.c
@@ -506,8 +506,11 @@ 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 {