linux/fs/xfs/scrub/ino_bitmap.h
Darrick J. Wong 928b721a11 xfs: teach online scrub to find directory tree structure problems
Create a new scrubber that detects corruptions within the directory tree
structure itself.  It can detect directories with multiple parents;
loops within the directory tree; and directory loops not accessible from
the root.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2024-04-23 16:55:16 -07:00

38 lines
881 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2023-2024 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <djwong@kernel.org>
*/
#ifndef __XFS_SCRUB_INO_BITMAP_H__
#define __XFS_SCRUB_INO_BITMAP_H__
/* Bitmaps, but for type-checked for xfs_ino_t */
struct xino_bitmap {
struct xbitmap64 inobitmap;
};
static inline void xino_bitmap_init(struct xino_bitmap *bitmap)
{
xbitmap64_init(&bitmap->inobitmap);
}
static inline void xino_bitmap_destroy(struct xino_bitmap *bitmap)
{
xbitmap64_destroy(&bitmap->inobitmap);
}
static inline int xino_bitmap_set(struct xino_bitmap *bitmap, xfs_ino_t ino)
{
return xbitmap64_set(&bitmap->inobitmap, ino, 1);
}
static inline int xino_bitmap_test(struct xino_bitmap *bitmap, xfs_ino_t ino)
{
uint64_t len = 1;
return xbitmap64_test(&bitmap->inobitmap, ino, &len);
}
#endif /* __XFS_SCRUB_INO_BITMAP_H__ */