Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted

Pull futex fix from Ingo Molnar:

 - Also allocate a default private futex hash on vfork() as well, to
   avoid races with (private) futex waiters (Peter Zijlstra)

* tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Also allocate private hash on vfork()

1 files changed, 32 insertions, 0 deletions

diff --git a/fs/ntfs/dir.h b/fs/ntfs/dir.h
new file mode 100644
index 000000000..a38c6b071
--- /dev/null
+++ b/fs/ntfs/dir.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Defines for directory handling in NTFS Linux kernel driver.
+ *
+ * Copyright (c) 2002-2004 Anton Altaparmakov
+ */
+
+#ifndef _LINUX_NTFS_DIR_H
+#define _LINUX_NTFS_DIR_H
+
+#include "inode.h"
+
+/*
+ * ntfs_name is used to return the file name to the caller of
+ * ntfs_lookup_inode_by_name() in order for the caller (namei.c::ntfs_lookup())
+ * to be able to deal with dcache aliasing issues.
+ */
+struct ntfs_name {
+	u64 mref;
+	u8 type;
+	u8 len;
+	__le16 name[];
+} __packed;
+
+/* The little endian Unicode string $I30 as a global constant. */
+extern __le16 I30[5];
+
+u64 ntfs_lookup_inode_by_name(struct ntfs_inode *dir_ni,
+		const __le16 *uname, const int uname_len, struct ntfs_name **res);
+int ntfs_check_empty_dir(struct ntfs_inode *ni, struct mft_record *ni_mrec);
+
+#endif /* _LINUX_NTFS_FS_DIR_H */