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, 29 insertions, 0 deletions

diff --git a/fs/ntfs/lib/lib.h b/fs/ntfs/lib/lib.h
new file mode 100644
index 000000000..a684d600f
--- /dev/null
+++ b/fs/ntfs/lib/lib.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * lib.h - Public declarations for the LZX and XPRESS decompressors.
+ *
+ * Adapted for the linux kernel.  These are the low-level decompressor
+ * allocations; WOF (system-compressed) access goes through the
+ * ntfs_codec_ops interface declared in "../ntfs_codec.h".
+ */
+
+#ifndef _LINUX_NTFS_LIB_LIB_H
+#define _LINUX_NTFS_LIB_LIB_H
+
+#include <linux/types.h>
+
+/* globals from xpress_decompress.c */
+struct xpress_decompressor *xpress_allocate_decompressor(void);
+void xpress_free_decompressor(struct xpress_decompressor *d);
+int xpress_decompress(struct xpress_decompressor *d,
+		      const void *compressed_data, size_t compressed_size,
+		      void *uncompressed_data, size_t uncompressed_size);
+
+/* globals from lzx_decompress.c */
+struct lzx_decompressor *lzx_allocate_decompressor(void);
+void lzx_free_decompressor(struct lzx_decompressor *d);
+int lzx_decompress(struct lzx_decompressor *d, const void *compressed_data,
+		   size_t compressed_size, void *uncompressed_data,
+		   size_t uncompressed_size);
+
+#endif /* _LINUX_NTFS_LIB_LIB_H */