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65d10bd87c
Current autotrim causes short-lived txg through: 1. calling txg_wait_synced() in metaslab_enable() 2. calling txg_wait_open() with should_quiesce = true This patch addresses all the issues mentioned above. A new cv, vdev_autotrim_kick_cv is added to kick autotrim activity. It will be signaled once a txg is synced so that it does not change the original autotrim pace. Also because it is a cv, the wait is interruptible which speeds up the vdev_autotrim_stop_wait() call. Finally, combining big zfs_txg_timeout, txg_wait_open() also causes delay when exporting a pool. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: jxdking <lostking2008@hotmail.com> Issue #8993 Closes #12194
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2019 Lawrence Livermore National Security, LLC.
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*/
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#ifndef _SYS_VDEV_TRIM_H
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#define _SYS_VDEV_TRIM_H
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#include <sys/spa.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern unsigned int zfs_trim_metaslab_skip;
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extern void vdev_trim(vdev_t *vd, uint64_t rate, boolean_t partial,
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boolean_t secure);
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extern void vdev_trim_stop(vdev_t *vd, vdev_trim_state_t tgt, list_t *vd_list);
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extern void vdev_trim_stop_all(vdev_t *vd, vdev_trim_state_t tgt_state);
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extern void vdev_trim_stop_wait(spa_t *spa, list_t *vd_list);
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extern void vdev_trim_restart(vdev_t *vd);
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extern void vdev_autotrim(spa_t *spa);
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extern void vdev_autotrim_kick(spa_t *spa);
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extern void vdev_autotrim_stop_all(spa_t *spa);
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extern void vdev_autotrim_stop_wait(vdev_t *vd);
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extern void vdev_autotrim_restart(spa_t *spa);
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extern int vdev_trim_simple(vdev_t *vd, uint64_t start, uint64_t size);
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extern void vdev_trim_l2arc(spa_t *spa);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_VDEV_TRIM_H */
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