scrub/filemap.h

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2018 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <darrick.wong@oracle.com>
   5  */
   6 #ifndef XFS_SCRUB_FILEMAP_H_
   7 #define XFS_SCRUB_FILEMAP_H_
   8
   9 /* inode fork block mapping */
  10 struct xfs_bmap {
  11         uint64_t        bm_offset;      /* file offset of segment in bytes */
  12         uint64_t        bm_physical;    /* physical starting byte  */
  13         uint64_t        bm_length;      /* length of segment, bytes */
  14         uint32_t        bm_flags;       /* output flags */
  15 };
  16
  17 typedef bool (*xfs_bmap_iter_fn)(struct scrub_ctx *ctx, const char *descr,
  18                 int fd, int whichfork, struct fsxattr *fsx,
  19                 struct xfs_bmap *bmap, void *arg);
  20
  21 bool xfs_iterate_filemaps(struct scrub_ctx *ctx, const char *descr, int fd,
  22                 int whichfork, struct xfs_bmap *key, xfs_bmap_iter_fn fn,
  23                 void *arg);
  24
  25 #endif /* XFS_SCRUB_FILEMAP_H_ */