xfs: move the per-AG datatype bitmaps to separate files

Move struct xagb_bitmap to its own pair of C and header files per
request of Christoph.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

1 files changed, 68 insertions, 0 deletions

diff --git a/fs/xfs/scrub/agb_bitmap.h b/fs/xfs/scrub/agb_bitmap.h
new file mode 100644
index 000000000000..ed08f76ff4f3
--- /dev/null
+++ b/fs/xfs/scrub/agb_bitmap.h
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2018-2023 Oracle.  All Rights Reserved.
+ * Author: Darrick J. Wong <djwong@kernel.org>
+ */
+#ifndef __XFS_SCRUB_AGB_BITMAP_H__
+#define __XFS_SCRUB_AGB_BITMAP_H__
+
+/* Bitmaps, but for type-checked for xfs_agblock_t */
+
+struct xagb_bitmap {
+	struct xbitmap32	agbitmap;
+};
+
+static inline void xagb_bitmap_init(struct xagb_bitmap *bitmap)
+{
+	xbitmap32_init(&bitmap->agbitmap);
+}
+
+static inline void xagb_bitmap_destroy(struct xagb_bitmap *bitmap)
+{
+	xbitmap32_destroy(&bitmap->agbitmap);
+}
+
+static inline int xagb_bitmap_clear(struct xagb_bitmap *bitmap,
+		xfs_agblock_t start, xfs_extlen_t len)
+{
+	return xbitmap32_clear(&bitmap->agbitmap, start, len);
+}
+static inline int xagb_bitmap_set(struct xagb_bitmap *bitmap,
+		xfs_agblock_t start, xfs_extlen_t len)
+{
+	return xbitmap32_set(&bitmap->agbitmap, start, len);
+}
+
+static inline bool xagb_bitmap_test(struct xagb_bitmap *bitmap,
+		xfs_agblock_t start, xfs_extlen_t *len)
+{
+	return xbitmap32_test(&bitmap->agbitmap, start, len);
+}
+
+static inline int xagb_bitmap_disunion(struct xagb_bitmap *bitmap,
+		struct xagb_bitmap *sub)
+{
+	return xbitmap32_disunion(&bitmap->agbitmap, &sub->agbitmap);
+}
+
+static inline uint32_t xagb_bitmap_hweight(struct xagb_bitmap *bitmap)
+{
+	return xbitmap32_hweight(&bitmap->agbitmap);
+}
+static inline bool xagb_bitmap_empty(struct xagb_bitmap *bitmap)
+{
+	return xbitmap32_empty(&bitmap->agbitmap);
+}
+
+static inline int xagb_bitmap_walk(struct xagb_bitmap *bitmap,
+		xbitmap32_walk_fn fn, void *priv)
+{
+	return xbitmap32_walk(&bitmap->agbitmap, fn, priv);
+}
+
+int xagb_bitmap_set_btblocks(struct xagb_bitmap *bitmap,
+		struct xfs_btree_cur *cur);
+int xagb_bitmap_set_btcur_path(struct xagb_bitmap *bitmap,
+		struct xfs_btree_cur *cur);
+
+#endif	/* __XFS_SCRUB_AGB_BITMAP_H__ */