Merge commit 'refs/top-bases/zfs-branch' into zfs-branch
This commit is contained in:
Brian Behlendorf
commit
0e8ac26fc9
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@ -50,8 +50,7 @@ extern "C" {
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#include <errno.h>
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#include <string.h>
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#include <strings.h>
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#include <synch.h>
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#include <thread.h>
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#include <pthread.h>
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#include <assert.h>
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#include <alloca.h>
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#include <umem.h>
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@ -104,6 +103,7 @@ extern void vpanic(const char *, __va_list);
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#define fm_panic panic
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/* This definition is copied from assert.h. */
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#ifndef verify
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#if defined(__STDC__)
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#if __STDC_VERSION__ - 0 >= 199901L
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#define verify(EX) (void)((EX) || \
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@ -114,7 +114,10 @@ extern void vpanic(const char *, __va_list);
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#else
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#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
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#endif /* __STDC__ */
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#endif
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#undef VERIFY
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#undef ASSERT
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#define VERIFY verify
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#define ASSERT assert
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@ -159,11 +162,6 @@ _NOTE(CONSTCOND) } while (0)
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* existence for their counterparts in libzpool.
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*/
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#ifdef DTRACE_PROBE
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#undef DTRACE_PROBE
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#define DTRACE_PROBE(a) ((void)0)
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#endif /* DTRACE_PROBE */
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#ifdef DTRACE_PROBE1
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#undef DTRACE_PROBE1
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#define DTRACE_PROBE1(a, b, c) ((void)0)
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@ -187,13 +185,15 @@ _NOTE(CONSTCOND) } while (0)
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/*
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* Threads
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*/
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#define curthread ((void *)(uintptr_t)thr_self())
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/* XXX: not portable */
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#define curthread ((void *)(uintptr_t)pthread_self())
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typedef struct kthread kthread_t;
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#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
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zk_thread_create(func, arg)
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#define thread_exit() thr_exit(NULL)
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#define thread_exit() pthread_exit(NULL)
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extern kthread_t *zk_thread_create(void (*func)(void), void *arg);
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@ -203,28 +203,18 @@ extern kthread_t *zk_thread_create(void (*func)(void), void *arg);
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/*
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* Mutexes
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*/
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#define MTX_MAGIC 0x9522f51362a6e326ull
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typedef struct kmutex {
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void *m_owner;
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boolean_t initialized;
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mutex_t m_lock;
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uint64_t m_magic;
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pthread_mutex_t m_lock;
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} kmutex_t;
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#define MUTEX_DEFAULT USYNC_THREAD
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#undef MUTEX_HELD
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#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
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#define MUTEX_DEFAULT 0
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#define MUTEX_HELD(m) ((m)->m_owner == curthread)
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/*
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* Argh -- we have to get cheesy here because the kernel and userland
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* have different signatures for the same routine.
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*/
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extern int _mutex_init(mutex_t *mp, int type, void *arg);
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extern int _mutex_destroy(mutex_t *mp);
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#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
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#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
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extern void zmutex_init(kmutex_t *mp);
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extern void zmutex_destroy(kmutex_t *mp);
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extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
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extern void mutex_destroy(kmutex_t *mp);
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extern void mutex_enter(kmutex_t *mp);
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extern void mutex_exit(kmutex_t *mp);
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extern int mutex_tryenter(kmutex_t *mp);
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@ -233,23 +223,24 @@ extern void *mutex_owner(kmutex_t *mp);
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/*
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* RW locks
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*/
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#define RW_MAGIC 0x4d31fb123648e78aull
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typedef struct krwlock {
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void *rw_owner;
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boolean_t initialized;
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rwlock_t rw_lock;
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void *rw_owner;
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void *rw_wr_owner;
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uint64_t rw_magic;
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pthread_rwlock_t rw_lock;
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uint_t rw_readers;
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} krwlock_t;
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typedef int krw_t;
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#define RW_READER 0
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#define RW_WRITER 1
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#define RW_DEFAULT USYNC_THREAD
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#define RW_DEFAULT 0
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#undef RW_READ_HELD
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#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
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#undef RW_WRITE_HELD
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#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
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#define RW_READ_HELD(x) ((x)->rw_readers > 0)
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#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread)
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#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
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extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
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extern void rw_destroy(krwlock_t *rwlp);
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@ -267,9 +258,13 @@ extern gid_t *crgetgroups(cred_t *cr);
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/*
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* Condition variables
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*/
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typedef cond_t kcondvar_t;
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#define CV_MAGIC 0xd31ea9a83b1b30c4ull
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typedef struct kcondvar {
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uint64_t cv_magic;
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pthread_cond_t cv;
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} kcondvar_t;
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#define CV_DEFAULT USYNC_THREAD
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#define CV_DEFAULT 0
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extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
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extern void cv_destroy(kcondvar_t *cv);
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@ -290,7 +285,6 @@ extern void kstat_delete(kstat_t *);
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* Kernel memory
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*/
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#define KM_SLEEP UMEM_NOFAIL
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#define KM_PUSHPAGE KM_SLEEP
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#define KM_NOSLEEP UMEM_DEFAULT
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#define KMC_NODEBUG UMC_NODEBUG
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#define kmem_alloc(_s, _f) umem_alloc(_s, _f)
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@ -321,14 +315,11 @@ typedef void (task_func_t)(void *);
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#define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */
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#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */
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extern taskq_t *system_taskq;
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extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t);
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extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
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extern void taskq_destroy(taskq_t *);
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extern void taskq_wait(taskq_t *);
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extern int taskq_member(taskq_t *, void *);
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extern void system_taskq_init(void);
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#define XVA_MAPSIZE 3
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#define XVA_MAGIC 0x78766174
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@ -443,13 +434,12 @@ extern void delay(clock_t ticks);
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#define minclsyspri 60
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#define maxclsyspri 99
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#define CPU_SEQID (thr_self() & (max_ncpus - 1))
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/* XXX: not portable */
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#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
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#define kcred NULL
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#define CRED() NULL
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#define ptob(x) ((x) * PAGESIZE)
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extern uint64_t physmem;
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extern int highbit(ulong_t i);
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