Current Path : /sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/txg_impl.h |
/* * 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. */ #ifndef _SYS_TXG_IMPL_H #define _SYS_TXG_IMPL_H #include <sys/spa.h> #include <sys/txg.h> #ifdef __cplusplus extern "C" { #endif struct tx_cpu { kmutex_t tc_lock; kcondvar_t tc_cv[TXG_SIZE]; uint64_t tc_count[TXG_SIZE]; list_t tc_callbacks[TXG_SIZE]; /* commit cb list */ char tc_pad[16]; }; typedef struct tx_state { tx_cpu_t *tx_cpu; /* protects right to enter txg */ kmutex_t tx_sync_lock; /* protects tx_state_t */ uint64_t tx_open_txg; /* currently open txg id */ uint64_t tx_quiesced_txg; /* quiesced txg waiting for sync */ uint64_t tx_syncing_txg; /* currently syncing txg id */ uint64_t tx_synced_txg; /* last synced txg id */ uint64_t tx_sync_txg_waiting; /* txg we're waiting to sync */ uint64_t tx_quiesce_txg_waiting; /* txg we're waiting to open */ kcondvar_t tx_sync_more_cv; kcondvar_t tx_sync_done_cv; kcondvar_t tx_quiesce_more_cv; kcondvar_t tx_quiesce_done_cv; kcondvar_t tx_timeout_cv; kcondvar_t tx_exit_cv; /* wait for all threads to exit */ uint8_t tx_threads; /* number of threads */ uint8_t tx_exiting; /* set when we're exiting */ kthread_t *tx_sync_thread; kthread_t *tx_quiesce_thread; taskq_t *tx_commit_cb_taskq; /* commit callback taskq */ } tx_state_t; #ifdef __cplusplus } #endif #endif /* _SYS_TXG_IMPL_H */