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-rw-r--r--fs/overlayfs/overlayfs.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index d176b679f526..17ac5afc9ffb 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -23,7 +23,9 @@ enum ovl_path_type {
#define OVL_TYPE_MERGE_OR_LOWER(type) \
(OVL_TYPE_MERGE(type) || !OVL_TYPE_UPPER(type))
-extern const char *ovl_opaque_xattr;
+#define OVL_XATTR_PRE_NAME "trusted.overlay."
+#define OVL_XATTR_PRE_LEN 16
+#define OVL_XATTR_OPAQUE OVL_XATTR_PRE_NAME"opaque"
static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry)
{