scrub/read_verify.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2018-2024 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <djwong@kernel.org>
   5  */
   6 #ifndef XFS_SCRUB_READ_VERIFY_H_
   7 #define XFS_SCRUB_READ_VERIFY_H_
   8
   9 struct scrub_ctx;
  10 struct read_verify_pool;
  11 struct disk;
  12
  13 /* Function called when an IO error happens. */
  14 typedef void (*read_verify_ioerr_fn_t)(struct scrub_ctx *ctx,
  15                 struct disk *disk, uint64_t start, uint64_t length,
  16                 int error, void *arg);
  17
  18 int read_verify_pool_alloc(struct scrub_ctx *ctx, struct disk *disk,
  19                 size_t miniosz, read_verify_ioerr_fn_t ioerr_fn,
  20                 unsigned int submitter_threads,
  21                 struct read_verify_pool **prvp);
  22 void read_verify_pool_abort(struct read_verify_pool *rvp);
  23 int read_verify_pool_flush(struct read_verify_pool *rvp);
  24 void read_verify_pool_destroy(struct read_verify_pool *rvp);
  25
  26 int read_verify_schedule_io(struct read_verify_pool *rvp, uint64_t start,
  27                 uint64_t length, void *end_arg);
  28 int read_verify_force_io(struct read_verify_pool *rvp);
  29 int read_verify_bytes(struct read_verify_pool *rvp, uint64_t *bytes);
  30
  31 #endif /* XFS_SCRUB_READ_VERIFY_H_ */