fs/xfs/scrub/agb_bitmap.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2018-2023 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <djwong@kernel.org>
   5  */
   6 #ifndef __XFS_SCRUB_AGB_BITMAP_H__
   7 #define __XFS_SCRUB_AGB_BITMAP_H__
   8
   9 /* Bitmaps, but for type-checked for xfs_agblock_t */
  10
  11 struct xagb_bitmap {
  12         struct xbitmap32        agbitmap;
  13 };
  14
  15 static inline void xagb_bitmap_init(struct xagb_bitmap *bitmap)
  16 {
  17         xbitmap32_init(&bitmap->agbitmap);
  18 }
  19
  20 static inline void xagb_bitmap_destroy(struct xagb_bitmap *bitmap)
  21 {
  22         xbitmap32_destroy(&bitmap->agbitmap);
  23 }
  24
  25 static inline int xagb_bitmap_clear(struct xagb_bitmap *bitmap,
  26                 xfs_agblock_t start, xfs_extlen_t len)
  27 {
  28         return xbitmap32_clear(&bitmap->agbitmap, start, len);
  29 }
  30 static inline int xagb_bitmap_set(struct xagb_bitmap *bitmap,
  31                 xfs_agblock_t start, xfs_extlen_t len)
  32 {
  33         return xbitmap32_set(&bitmap->agbitmap, start, len);
  34 }
  35
  36 static inline bool xagb_bitmap_test(struct xagb_bitmap *bitmap,
  37                 xfs_agblock_t start, xfs_extlen_t *len)
  38 {
  39         return xbitmap32_test(&bitmap->agbitmap, start, len);
  40 }
  41
  42 static inline int xagb_bitmap_disunion(struct xagb_bitmap *bitmap,
  43                 struct xagb_bitmap *sub)
  44 {
  45         return xbitmap32_disunion(&bitmap->agbitmap, &sub->agbitmap);
  46 }
  47
  48 static inline uint32_t xagb_bitmap_hweight(struct xagb_bitmap *bitmap)
  49 {
  50         return xbitmap32_hweight(&bitmap->agbitmap);
  51 }
  52 static inline bool xagb_bitmap_empty(struct xagb_bitmap *bitmap)
  53 {
  54         return xbitmap32_empty(&bitmap->agbitmap);
  55 }
  56
  57 static inline int xagb_bitmap_walk(struct xagb_bitmap *bitmap,
  58                 xbitmap32_walk_fn fn, void *priv)
  59 {
  60         return xbitmap32_walk(&bitmap->agbitmap, fn, priv);
  61 }
  62
  63 int xagb_bitmap_set_btblocks(struct xagb_bitmap *bitmap,
  64                 struct xfs_btree_cur *cur);
  65 int xagb_bitmap_set_btcur_path(struct xagb_bitmap *bitmap,
  66                 struct xfs_btree_cur *cur);
  67
  68 static inline uint32_t xagb_bitmap_count_set_regions(struct xagb_bitmap *b)
  69 {
  70         return xbitmap32_count_set_regions(&b->agbitmap);
  71 }
  72
  73 #endif  /* __XFS_SCRUB_AGB_BITMAP_H__ */