mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 03:09:34 +03:00
55d85d5a8c
3329 spa_sync() spends 10-20% of its time in spa_free_sync_cb() 3330 space_seg_t should have its own kmem_cache 3331 deferred frees should happen after sync_pass 1 3335 make SYNC_PASS_* constants tunable Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: Eric Schrock <eric.schrock@delphix.com> Reviewed by: Richard Lowe <richlowe@richlowe.net> Reviewed by: Dan McDonald <danmcd@nexenta.com> Approved by: Eric Schrock <eric.schrock@delphix.com> References: illumos/illumos-gate@01f55e48fb https://www.illumos.org/issues/3329 https://www.illumos.org/issues/3330 https://www.illumos.org/issues/3331 https://www.illumos.org/issues/3335 Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
181 lines
4.4 KiB
C
181 lines
4.4 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2012 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _ZIO_IMPL_H
|
|
#define _ZIO_IMPL_H
|
|
|
|
#include <sys/zfs_context.h>
|
|
#include <sys/zio.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* zio pipeline stage definitions
|
|
*/
|
|
enum zio_stage {
|
|
ZIO_STAGE_OPEN = 1 << 0, /* RWFCI */
|
|
|
|
ZIO_STAGE_READ_BP_INIT = 1 << 1, /* R---- */
|
|
ZIO_STAGE_FREE_BP_INIT = 1 << 2, /* --F-- */
|
|
ZIO_STAGE_ISSUE_ASYNC = 1 << 3, /* RWF-- */
|
|
ZIO_STAGE_WRITE_BP_INIT = 1 << 4, /* -W--- */
|
|
|
|
ZIO_STAGE_CHECKSUM_GENERATE = 1 << 5, /* -W--- */
|
|
|
|
ZIO_STAGE_DDT_READ_START = 1 << 6, /* R---- */
|
|
ZIO_STAGE_DDT_READ_DONE = 1 << 7, /* R---- */
|
|
ZIO_STAGE_DDT_WRITE = 1 << 8, /* -W--- */
|
|
ZIO_STAGE_DDT_FREE = 1 << 9, /* --F-- */
|
|
|
|
ZIO_STAGE_GANG_ASSEMBLE = 1 << 10, /* RWFC- */
|
|
ZIO_STAGE_GANG_ISSUE = 1 << 11, /* RWFC- */
|
|
|
|
ZIO_STAGE_DVA_ALLOCATE = 1 << 12, /* -W--- */
|
|
ZIO_STAGE_DVA_FREE = 1 << 13, /* --F-- */
|
|
ZIO_STAGE_DVA_CLAIM = 1 << 14, /* ---C- */
|
|
|
|
ZIO_STAGE_READY = 1 << 15, /* RWFCI */
|
|
|
|
ZIO_STAGE_VDEV_IO_START = 1 << 16, /* RW--I */
|
|
ZIO_STAGE_VDEV_IO_DONE = 1 << 17, /* RW--I */
|
|
ZIO_STAGE_VDEV_IO_ASSESS = 1 << 18, /* RW--I */
|
|
|
|
ZIO_STAGE_CHECKSUM_VERIFY = 1 << 19, /* R---- */
|
|
|
|
ZIO_STAGE_DONE = 1 << 20 /* RWFCI */
|
|
};
|
|
|
|
#define ZIO_INTERLOCK_STAGES \
|
|
(ZIO_STAGE_READY | \
|
|
ZIO_STAGE_DONE)
|
|
|
|
#define ZIO_INTERLOCK_PIPELINE \
|
|
ZIO_INTERLOCK_STAGES
|
|
|
|
#define ZIO_VDEV_IO_STAGES \
|
|
(ZIO_STAGE_VDEV_IO_START | \
|
|
ZIO_STAGE_VDEV_IO_DONE | \
|
|
ZIO_STAGE_VDEV_IO_ASSESS)
|
|
|
|
#define ZIO_VDEV_CHILD_PIPELINE \
|
|
(ZIO_VDEV_IO_STAGES | \
|
|
ZIO_STAGE_DONE)
|
|
|
|
#define ZIO_READ_COMMON_STAGES \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_VDEV_IO_STAGES | \
|
|
ZIO_STAGE_CHECKSUM_VERIFY)
|
|
|
|
#define ZIO_READ_PHYS_PIPELINE \
|
|
ZIO_READ_COMMON_STAGES
|
|
|
|
#define ZIO_READ_PIPELINE \
|
|
(ZIO_READ_COMMON_STAGES | \
|
|
ZIO_STAGE_READ_BP_INIT)
|
|
|
|
#define ZIO_DDT_CHILD_READ_PIPELINE \
|
|
ZIO_READ_COMMON_STAGES
|
|
|
|
#define ZIO_DDT_READ_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_STAGE_READ_BP_INIT | \
|
|
ZIO_STAGE_DDT_READ_START | \
|
|
ZIO_STAGE_DDT_READ_DONE)
|
|
|
|
#define ZIO_WRITE_COMMON_STAGES \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_VDEV_IO_STAGES | \
|
|
ZIO_STAGE_ISSUE_ASYNC | \
|
|
ZIO_STAGE_CHECKSUM_GENERATE)
|
|
|
|
#define ZIO_WRITE_PHYS_PIPELINE \
|
|
ZIO_WRITE_COMMON_STAGES
|
|
|
|
#define ZIO_REWRITE_PIPELINE \
|
|
(ZIO_WRITE_COMMON_STAGES | \
|
|
ZIO_STAGE_WRITE_BP_INIT)
|
|
|
|
#define ZIO_WRITE_PIPELINE \
|
|
(ZIO_WRITE_COMMON_STAGES | \
|
|
ZIO_STAGE_WRITE_BP_INIT | \
|
|
ZIO_STAGE_DVA_ALLOCATE)
|
|
|
|
#define ZIO_DDT_CHILD_WRITE_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_VDEV_IO_STAGES | \
|
|
ZIO_STAGE_DVA_ALLOCATE)
|
|
|
|
#define ZIO_DDT_WRITE_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_STAGE_ISSUE_ASYNC | \
|
|
ZIO_STAGE_WRITE_BP_INIT | \
|
|
ZIO_STAGE_CHECKSUM_GENERATE | \
|
|
ZIO_STAGE_DDT_WRITE)
|
|
|
|
#define ZIO_GANG_STAGES \
|
|
(ZIO_STAGE_GANG_ASSEMBLE | \
|
|
ZIO_STAGE_GANG_ISSUE)
|
|
|
|
#define ZIO_FREE_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_STAGE_FREE_BP_INIT | \
|
|
ZIO_STAGE_ISSUE_ASYNC | \
|
|
ZIO_STAGE_DVA_FREE)
|
|
|
|
#define ZIO_DDT_FREE_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_STAGE_FREE_BP_INIT | \
|
|
ZIO_STAGE_ISSUE_ASYNC | \
|
|
ZIO_STAGE_DDT_FREE)
|
|
|
|
#define ZIO_CLAIM_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_STAGE_DVA_CLAIM)
|
|
|
|
#define ZIO_IOCTL_PIPELINE \
|
|
(ZIO_INTERLOCK_STAGES | \
|
|
ZIO_STAGE_VDEV_IO_START | \
|
|
ZIO_STAGE_VDEV_IO_ASSESS)
|
|
|
|
#define ZIO_BLOCKING_STAGES \
|
|
(ZIO_STAGE_DVA_ALLOCATE | \
|
|
ZIO_STAGE_DVA_CLAIM | \
|
|
ZIO_STAGE_VDEV_IO_START)
|
|
|
|
extern void zio_inject_init(void);
|
|
extern void zio_inject_fini(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ZIO_IMPL_H */
|