1ba4a712dd
This bring huge amount of changes, I'll enumerate only user-visible changes: - Delegated Administration Allows regular users to perform ZFS operations, like file system creation, snapshot creation, etc. - L2ARC Level 2 cache for ZFS - allows to use additional disks for cache. Huge performance improvements mostly for random read of mostly static content. - slog Allow to use additional disks for ZFS Intent Log to speed up operations like fsync(2). - vfs.zfs.super_owner Allows regular users to perform privileged operations on files stored on ZFS file systems owned by him. Very careful with this one. - chflags(2) Not all the flags are supported. This still needs work. - ZFSBoot Support to boot off of ZFS pool. Not finished, AFAIK. Submitted by: dfr - Snapshot properties - New failure modes Before if write requested failed, system paniced. Now one can select from one of three failure modes: - panic - panic on write error - wait - wait for disk to reappear - continue - serve read requests if possible, block write requests - Refquota, refreservation properties Just quota and reservation properties, but don't count space consumed by children file systems, clones and snapshots. - Sparse volumes ZVOLs that don't reserve space in the pool. - External attributes Compatible with extattr(2). - NFSv4-ACLs Not sure about the status, might not be complete yet. Submitted by: trasz - Creation-time properties - Regression tests for zpool(8) command. Obtained from: OpenSolaris
102 lines
3.2 KiB
C
102 lines
3.2 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 http://www.opensolaris.org/os/licensing.
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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 2007 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _THREAD_H
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#define _THREAD_H
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#pragma ident "%Z%%M% %I% %E% SMI"
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#include <pthread.h>
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#include <pthread_np.h>
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#include <assert.h>
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/*
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* Compatibility thread stuff needed for Solaris -> Linux port
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*/
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typedef pthread_t thread_t;
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typedef pthread_mutex_t mutex_t;
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typedef pthread_cond_t cond_t;
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typedef pthread_rwlock_t rwlock_t;
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#define USYNC_THREAD 0
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#define thr_self() (unsigned long)pthread_self()
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#define thr_equal(a,b) pthread_equal(a,b)
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#define thr_join(t,d,s) pthread_join(t,s)
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#define thr_exit(r) pthread_exit(r)
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#define _mutex_init(l,f,a) pthread_mutex_init(l,NULL)
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#define _mutex_destroy(l) pthread_mutex_destroy(l)
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#define mutex_lock(l) pthread_mutex_lock(l)
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#define mutex_trylock(l) pthread_mutex_trylock(l)
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#define mutex_unlock(l) pthread_mutex_unlock(l)
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#define mutex_owned(l) pthread_mutex_isowned_np(l)
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#define rwlock_init(l,f,a) pthread_rwlock_init(l,NULL)
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#define rwlock_destroy(l) pthread_rwlock_destroy(l)
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#define rw_rdlock(l) pthread_rwlock_rdlock(l)
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#define rw_wrlock(l) pthread_rwlock_wrlock(l)
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#define rw_tryrdlock(l) pthread_rwlock_tryrdlock(l)
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#define rw_trywrlock(l) pthread_rwlock_trywrlock(l)
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#define rw_unlock(l) pthread_rwlock_unlock(l)
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#define cond_init(l,f,a) pthread_cond_init(l,NULL)
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#define cond_destroy(l) pthread_cond_destroy(l)
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#define cond_wait(l,m) pthread_cond_wait(l,m)
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#define cond_signal(l) pthread_cond_signal(l)
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#define cond_broadcast(l) pthread_cond_broadcast(l)
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#define THR_BOUND 0x00000001 /* = PTHREAD_SCOPE_SYSTEM */
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#define THR_NEW_LWP 0x00000002
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#define THR_DETACHED 0x00000040 /* = PTHREAD_CREATE_DETACHED */
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#define THR_SUSPENDED 0x00000080
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#define THR_DAEMON 0x00000100
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static __inline int
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thr_create(void *stack_base, size_t stack_size, void *(*start_func) (void*),
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void *arg, long flags, thread_t *new_thread_ID)
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{
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int ret;
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assert(stack_base == NULL);
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assert(stack_size == 0);
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assert((flags & ~THR_BOUND & ~THR_DETACHED) == 0);
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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if(flags & THR_DETACHED)
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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/* This function ignores the THR_BOUND flag, since NPTL doesn't seem to support PTHREAD_SCOPE_PROCESS */
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ret = pthread_create(new_thread_ID, &attr, start_func, arg);
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pthread_attr_destroy(&attr);
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return (ret);
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}
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#endif /* _THREAD_H */
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