sync with latest upstream kernel

[linux-2.6.git] / linux-2.6-255-vserver-delta-cow-fix23.patch

diff --git a/linux-2.6-255-vserver-delta-cow-fix23.patch b/linux-2.6-255-vserver-delta-cow-fix23.patch
new file mode 100644 (file)
index 0000000..dc5b724
--- /dev/null
+++ b/linux-2.6-255-vserver-delta-cow-fix23.patch
@@ -0,0 +1,13 @@
+diff -NurpP linux-2.6.38.7-vs2.3.0.37-rc15/fs/namei.c linux-2.6.38.7-vs2.3.0.37-rc15.1/fs/namei.c
+--- linux-2.6.38.7-vs2.3.0.37-rc15/fs/namei.c  2011-04-23 22:33:35.000000000 +0200
++++ linux-2.6.38.7-vs2.3.0.37-rc15.1/fs/namei.c        2011-05-29 22:41:46.000000000 +0200
+@@ -2220,7 +2220,8 @@ int may_open(struct path *path, int acc_
+       }
+ 
+ #ifdef        CONFIG_VSERVER_COWBL
+-      if (IS_COW(inode) && (flag & FMODE_WRITE)) {
++      if (IS_COW(inode) && 
++              ((flag & O_ACCMODE) != O_RDONLY)) {
+               if (IS_COW_LINK(inode))
+                       return -EMLINK;
+               inode->i_flags &= ~(S_IXUNLINK|S_IMMUTABLE);