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NEX-5553 ZFS auto-trim, manual-trim and scrub can race and deadlock
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
NEX-5064 On-demand trim should store operation start and stop time
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
NEX-3558 KRRP Integration


   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  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.

  24  */
  25 
  26 #ifndef _SYS_DSL_SYNCTASK_H
  27 #define _SYS_DSL_SYNCTASK_H
  28 
  29 #include <sys/txg.h>
  30 #include <sys/zfs_context.h>
  31 
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35 
  36 struct dsl_pool;
  37 
  38 typedef int (dsl_checkfunc_t)(void *, dmu_tx_t *);
  39 typedef void (dsl_syncfunc_t)(void *, dmu_tx_t *);
  40 
  41 typedef enum zfs_space_check {
  42         /*
  43          * Normal space check: if there is less than 3.2% free space,


  68 } zfs_space_check_t;
  69 
  70 typedef struct dsl_sync_task {
  71         txg_node_t dst_node;
  72         struct dsl_pool *dst_pool;
  73         uint64_t dst_txg;
  74         int dst_space;
  75         zfs_space_check_t dst_space_check;
  76         dsl_checkfunc_t *dst_checkfunc;
  77         dsl_syncfunc_t *dst_syncfunc;
  78         void *dst_arg;
  79         int dst_error;
  80         boolean_t dst_nowaiter;
  81 } dsl_sync_task_t;
  82 
  83 void dsl_sync_task_sync(dsl_sync_task_t *, dmu_tx_t *);
  84 int dsl_sync_task(const char *, dsl_checkfunc_t *,
  85     dsl_syncfunc_t *, void *, int, zfs_space_check_t);
  86 void dsl_sync_task_nowait(struct dsl_pool *, dsl_syncfunc_t *,
  87     void *, int, zfs_space_check_t, dmu_tx_t *);

  88 
  89 #ifdef  __cplusplus
  90 }
  91 #endif
  92 
  93 #endif /* _SYS_DSL_SYNCTASK_H */


   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  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  24  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
  25  */
  26 
  27 #ifndef _SYS_DSL_SYNCTASK_H
  28 #define _SYS_DSL_SYNCTASK_H
  29 
  30 #include <sys/txg.h>
  31 #include <sys/zfs_context.h>
  32 
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36 
  37 struct dsl_pool;
  38 
  39 typedef int (dsl_checkfunc_t)(void *, dmu_tx_t *);
  40 typedef void (dsl_syncfunc_t)(void *, dmu_tx_t *);
  41 
  42 typedef enum zfs_space_check {
  43         /*
  44          * Normal space check: if there is less than 3.2% free space,


  69 } zfs_space_check_t;
  70 
  71 typedef struct dsl_sync_task {
  72         txg_node_t dst_node;
  73         struct dsl_pool *dst_pool;
  74         uint64_t dst_txg;
  75         int dst_space;
  76         zfs_space_check_t dst_space_check;
  77         dsl_checkfunc_t *dst_checkfunc;
  78         dsl_syncfunc_t *dst_syncfunc;
  79         void *dst_arg;
  80         int dst_error;
  81         boolean_t dst_nowaiter;
  82 } dsl_sync_task_t;
  83 
  84 void dsl_sync_task_sync(dsl_sync_task_t *, dmu_tx_t *);
  85 int dsl_sync_task(const char *, dsl_checkfunc_t *,
  86     dsl_syncfunc_t *, void *, int, zfs_space_check_t);
  87 void dsl_sync_task_nowait(struct dsl_pool *, dsl_syncfunc_t *,
  88     void *, int, zfs_space_check_t, dmu_tx_t *);
  89 #define DST_AVG_BLKSHIFT 14
  90 
  91 #ifdef  __cplusplus
  92 }
  93 #endif
  94 
  95 #endif /* _SYS_DSL_SYNCTASK_H */