3 files changed, 38 insertions, 0 deletions

diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index a6a2bf6d6845..df72256c4422 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -245,6 +245,33 @@ int ocfs2_check_acl(struct inode *inode, int mask)
         return -EAGAIN;
 }
 
+int ocfs2_acl_chmod(struct inode *inode)
+{
+        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+        struct posix_acl *acl, *clone;
+        int ret;
+
+        if (S_ISLNK(inode->i_mode))
+                return -EOPNOTSUPP;
+
+        if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
+                return 0;
+
+        acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
+        if (IS_ERR(acl) || !acl)
+                return PTR_ERR(acl);
+        clone = posix_acl_clone(acl, GFP_KERNEL);
+        posix_acl_release(acl);
+        if (!clone)
+                return -ENOMEM;
+        ret = posix_acl_chmod_masq(clone, inode->i_mode);
+        if (!ret)
+                ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS,
+                                    clone, NULL, NULL);
+        posix_acl_release(clone);
+        return ret;
+}
+
 static size_t ocfs2_xattr_list_acl_access(struct inode *inode,
                                           char *list,
                                           size_t list_len,
diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h
index fef10f1b782b..68ffd6436c50 100644
--- a/fs/ocfs2/acl.h
+++ b/fs/ocfs2/acl.h
@@ -29,10 +29,15 @@ struct ocfs2_acl_entry {
 #ifdef CONFIG_OCFS2_FS_POSIX_ACL
 
 extern int ocfs2_check_acl(struct inode *, int);
+extern int ocfs2_acl_chmod(struct inode *);
 
 #else /* CONFIG_OCFS2_FS_POSIX_ACL*/
 
 #define ocfs2_check_acl NULL
+static inline int ocfs2_acl_chmod(struct inode *inode)
+{
+        return 0;
+}
 
 #endif /* CONFIG_OCFS2_FS_POSIX_ACL*/
 
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 7bad7d9b9a2c..4636aa6b0117 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -990,6 +990,12 @@ bail_unlock_rw:
 bail:
         brelse(bh);
 
+        if (!status && attr->ia_valid & ATTR_MODE) {
+                status = ocfs2_acl_chmod(inode);
+                if (status < 0)
+                        mlog_errno(status);
+        }
+
         mlog_exit(status);
         return status;
 }