include/sys/vdev_trim.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright (c) 2019 Lawrence Livermore National Security, LLC.
  24  */
  25
  26 #ifndef _SYS_VDEV_TRIM_H
  27 #define _SYS_VDEV_TRIM_H
  28
  29 #include <sys/spa.h>
  30
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 extern unsigned int zfs_trim_metaslab_skip;
  36
  37 extern void vdev_trim(vdev_t *vd, uint64_t rate, boolean_t partial,
  38     boolean_t secure);
  39 extern void vdev_trim_stop(vdev_t *vd, vdev_trim_state_t tgt, list_t *vd_list);
  40 extern void vdev_trim_stop_all(vdev_t *vd, vdev_trim_state_t tgt_state);
  41 extern void vdev_trim_stop_wait(spa_t *spa, list_t *vd_list);
  42 extern void vdev_trim_restart(vdev_t *vd);
  43 extern void vdev_autotrim(spa_t *spa);
  44 extern void vdev_autotrim_stop_all(spa_t *spa);
  45 extern void vdev_autotrim_stop_wait(vdev_t *vd);
  46 extern void vdev_autotrim_restart(spa_t *spa);
  47 extern int vdev_trim_simple(vdev_t *vd, uint64_t start, uint64_t size);
  48 extern void vdev_trim_l2arc(spa_t *spa);
  49
  50 #ifdef  __cplusplus
  51 }
  52 #endif
  53
  54 #endif  /* _SYS_VDEV_TRIM_H */