From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- fs/xfs/scrub/bitmap.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 fs/xfs/scrub/bitmap.h (limited to 'fs/xfs/scrub/bitmap.h') 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 + */ +#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__ */ -- cgit v1.2.3