scrub/read_verify.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_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 struct read_verify_pool *read_verify_pool_init(struct scrub_ctx *ctx,
  19                 struct disk *disk, size_t miniosz,
  20                 read_verify_ioerr_fn_t ioerr_fn,
  21                 unsigned int submitter_threads);
  22 void read_verify_pool_flush(struct read_verify_pool *rvp);
  23 void read_verify_pool_destroy(struct read_verify_pool *rvp);
  24
  25 bool read_verify_schedule_io(struct read_verify_pool *rvp, uint64_t start,
  26                 uint64_t length, void *end_arg);
  27 bool read_verify_force_io(struct read_verify_pool *rvp);
  28 uint64_t read_verify_bytes(struct read_verify_pool *rvp);
  29
  30 #endif /* XFS_SCRUB_READ_VERIFY_H_ */