Makes the bitmap_copy_and_extend inline function available to Rust.
Adds F: to existing MAINTAINERS section BITMAP API BINDINGS [RUST].

Suggested-by: Alice Ryhl <[email protected]>
Suggested-by: Yury Norov <[email protected]>
Signed-off-by: Burak Emir <[email protected]>
Acked-by: Yury Norov [NVIDIA] <[email protected]>
---
 MAINTAINERS                     | 1 +
 rust/bindings/bindings_helper.h | 1 +
 rust/helpers/bitmap.c           | 9 +++++++++
 rust/helpers/helpers.c          | 1 +
 4 files changed, 12 insertions(+)
 create mode 100644 rust/helpers/bitmap.c

diff --git a/MAINTAINERS b/MAINTAINERS
index f584e170cfc3..f83386712a2d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4200,6 +4200,7 @@ F:        tools/lib/find_bit.c
 BITMAP API BINDINGS [RUST]
 M:     Yury Norov <[email protected]>
 S:     Maintained
+F:     rust/helpers/bitmap.c
 F:     rust/helpers/cpumask.c
 
 BITOPS API
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 8cbb660e2ec2..cc2ae3b172da 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -35,6 +35,7 @@
 #include <drm/drm_ioctl.h>
 #include <kunit/test.h>
 #include <linux/auxiliary_bus.h>
+#include <linux/bitmap.h>
 #include <linux/blk-mq.h>
 #include <linux/blk_types.h>
 #include <linux/blkdev.h>
diff --git a/rust/helpers/bitmap.c b/rust/helpers/bitmap.c
new file mode 100644
index 000000000000..a50e2f082e47
--- /dev/null
+++ b/rust/helpers/bitmap.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bitmap.h>
+
+void rust_helper_bitmap_copy_and_extend(unsigned long *to, const unsigned long 
*from,
+               unsigned int count, unsigned int size)
+{
+       bitmap_copy_and_extend(to, from, count, size);
+}
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index b15b3cddad4e..cb47c4708a3b 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -8,6 +8,7 @@
  */
 
 #include "auxiliary.c"
+#include "bitmap.c"
 #include "blk.c"
 #include "bug.c"
 #include "build_assert.c"
-- 
2.50.0.rc2.761.g2dc52ea45b-goog


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