scrub/descr.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_DESCR_H_
   7 #define XFS_SCRUB_DESCR_H_
   8
   9 typedef int (*descr_fn)(struct scrub_ctx *ctx, char *buf, size_t buflen,
  10                         void *data);
  11
  12 struct descr {
  13         struct scrub_ctx        *ctx;
  14         descr_fn                fn;
  15         void                    *where;
  16 };
  17
  18 #define DEFINE_DESCR(_name, _ctx, _fn) \
  19         struct descr _name = { .ctx = (_ctx), .fn = (_fn) }
  20
  21 const char *__descr_render(struct descr *dsc, const char *file, int line);
  22 #define descr_render(dsc) __descr_render((dsc), __FILE__, __LINE__)
  23
  24 void descr_set(struct descr *dsc, void *where);
  25
  26 int descr_init_phase(struct scrub_ctx *ctx, unsigned int nr_threads);
  27 void descr_end_phase(void);
  28
  29 #endif /* XFS_SCRUB_DESCR_H_ */