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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /fs/xfs/scrub/bitmap.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/xfs/scrub/bitmap.h')
-rw-r--r--fs/xfs/scrub/bitmap.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/xfs/scrub/bitmap.h b/fs/xfs/scrub/bitmap.h
new file mode 100644
index 000000000..900646b72
--- /dev/null
+++ b/fs/xfs/scrub/bitmap.h
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Oracle. All Rights Reserved.
+ * Author: Darrick J. Wong <darrick.wong@oracle.com>
+ */
+#ifndef __XFS_SCRUB_BITMAP_H__
+#define __XFS_SCRUB_BITMAP_H__
+
+struct xbitmap_range {
+ struct list_head list;
+ uint64_t start;
+ uint64_t len;
+};
+
+struct xbitmap {
+ struct list_head list;
+};
+
+void xbitmap_init(struct xbitmap *bitmap);
+void xbitmap_destroy(struct xbitmap *bitmap);
+
+#define for_each_xbitmap_extent(bex, n, bitmap) \
+ list_for_each_entry_safe((bex), (n), &(bitmap)->list, list)
+
+#define for_each_xbitmap_block(b, bex, n, bitmap) \
+ list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) \
+ for ((b) = (bex)->start; (b) < (bex)->start + (bex)->len; (b)++)
+
+int xbitmap_set(struct xbitmap *bitmap, uint64_t start, uint64_t len);
+int xbitmap_disunion(struct xbitmap *bitmap, struct xbitmap *sub);
+int xbitmap_set_btcur_path(struct xbitmap *bitmap,
+ struct xfs_btree_cur *cur);
+int xbitmap_set_btblocks(struct xbitmap *bitmap,
+ struct xfs_btree_cur *cur);
+uint64_t xbitmap_hweight(struct xbitmap *bitmap);
+
+#endif /* __XFS_SCRUB_BITMAP_H__ */