These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / 9p / xattr.c

diff --git a/kernel/fs/9p/xattr.c b/kernel/fs/9p/xattr.c
index 0cf44b6..e3d026a 100644 (file)
--- a/kernel/fs/9p/xattr.c
+++ b/kernel/fs/9p/xattr.c
@@ -137,6 +137,48 @@ ssize_t v9fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
        return v9fs_xattr_get(dentry, NULL, buffer, buffer_size);
 }
 
+static int v9fs_xattr_handler_get(const struct xattr_handler *handler,
+                                 struct dentry *dentry, const char *name,
+                                 void *buffer, size_t size)
+{
+       const char *full_name = xattr_full_name(handler, name);
+
+       if (strcmp(name, "") == 0)
+               return -EINVAL;
+       return v9fs_xattr_get(dentry, full_name, buffer, size);
+}
+
+static int v9fs_xattr_handler_set(const struct xattr_handler *handler,
+                                 struct dentry *dentry, const char *name,
+                                 const void *value, size_t size, int flags)
+{
+       const char *full_name = xattr_full_name(handler, name);
+
+       if (strcmp(name, "") == 0)
+               return -EINVAL;
+       return v9fs_xattr_set(dentry, full_name, value, size, flags);
+}
+
+static struct xattr_handler v9fs_xattr_user_handler = {
+       .prefix = XATTR_USER_PREFIX,
+       .get    = v9fs_xattr_handler_get,
+       .set    = v9fs_xattr_handler_set,
+};
+
+static struct xattr_handler v9fs_xattr_trusted_handler = {
+       .prefix = XATTR_TRUSTED_PREFIX,
+       .get    = v9fs_xattr_handler_get,
+       .set    = v9fs_xattr_handler_set,
+};
+
+#ifdef CONFIG_9P_FS_SECURITY
+static struct xattr_handler v9fs_xattr_security_handler = {
+       .prefix = XATTR_SECURITY_PREFIX,
+       .get    = v9fs_xattr_handler_get,
+       .set    = v9fs_xattr_handler_set,
+};
+#endif
+
 const struct xattr_handler *v9fs_xattr_handlers[] = {
        &v9fs_xattr_user_handler,
        &v9fs_xattr_trusted_handler,