fs/xfs/scrub/attr.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2019-2023 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <djwong@kernel.org>
   5  */
   6 #ifndef __XFS_SCRUB_ATTR_H__
   7 #define __XFS_SCRUB_ATTR_H__
   8
   9 /*
  10  * Temporary storage for online scrub and repair of extended attributes.
  11  */
  12 struct xchk_xattr_buf {
  13         /* Bitmap of used space in xattr leaf blocks and shortform forks. */
  14         unsigned long           *usedmap;
  15
  16         /* Bitmap of free space in xattr leaf blocks. */
  17         unsigned long           *freemap;
  18
  19         /* Memory buffer used to hold salvaged xattr names. */
  20         unsigned char           *name;
  21
  22         /* Memory buffer used to extract xattr values. */
  23         void                    *value;
  24         size_t                  value_sz;
  25 };
  26
  27 bool xchk_xattr_set_map(struct xfs_scrub *sc, unsigned long *map,
  28                 unsigned int start, unsigned int len);
  29 int xchk_setup_xattr_buf(struct xfs_scrub *sc, size_t value_size);
  30
  31 #endif  /* __XFS_SCRUB_ATTR_H__ */