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8115 parallel zfs mount

*** 21,47 **** /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012, 2016 by Delphix. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. */ #ifndef _SYS_ZFS_CONTEXT_H #define _SYS_ZFS_CONTEXT_H #ifdef __cplusplus extern "C" { #endif ! #define _SYS_MUTEX_H ! #define _SYS_RWLOCK_H ! #define _SYS_CONDVAR_H ! #define _SYS_SYSTM_H ! #define _SYS_T_LOCK_H #define _SYS_VNODE_H #define _SYS_VFS_H - #define _SYS_SUNDDI_H #define _SYS_CALLB_H #include <stdio.h> #include <stdlib.h> #include <stddef.h> --- 21,44 ---- /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012, 2016 by Delphix. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright 2017 RackTop Systems. */ #ifndef _SYS_ZFS_CONTEXT_H #define _SYS_ZFS_CONTEXT_H #ifdef __cplusplus extern "C" { #endif ! #define _SYNCH_H ! #define _SYS_VNODE_H #define _SYS_VFS_H #define _SYS_CALLB_H #include <stdio.h> #include <stdlib.h> #include <stddef.h>
*** 49,59 **** #include <fcntl.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <strings.h> - #include <synch.h> #include <thread.h> #include <assert.h> #include <alloca.h> #include <umem.h> #include <limits.h> --- 46,55 ----
*** 78,122 **** #include <sys/sdt.h> #include <sys/kstat.h> #include <sys/u8_textprep.h> #include <sys/sysevent/eventdefs.h> #include <sys/sysevent/dev.h> - #include <sys/sunddi.h> #include <sys/debug.h> #include "zfs.h" /* - * Debugging - */ - - /* - * Note that we are not using the debugging levels. - */ - - #define CE_CONT 0 /* continuation */ - #define CE_NOTE 1 /* notice */ - #define CE_WARN 2 /* warning */ - #define CE_PANIC 3 /* panic */ - #define CE_IGNORE 4 /* print nothing */ - - /* * ZFS debugging */ #ifdef ZFS_DEBUG extern void dprintf_setup(int *argc, char **argv); #endif /* ZFS_DEBUG */ - extern void cmn_err(int, const char *, ...); - extern void vcmn_err(int, const char *, __va_list); - extern void panic(const char *, ...) __NORETURN; - extern void vpanic(const char *, __va_list) __NORETURN; - - #define fm_panic panic - - extern int aok; - /* * DTrace SDT probes have different signatures in userland than they do in * the kernel. If they're being used in kernel code, re-define them out of * existence for their counterparts in libzpool. * --- 74,112 ---- #include <sys/sdt.h> #include <sys/kstat.h> #include <sys/u8_textprep.h> #include <sys/sysevent/eventdefs.h> #include <sys/sysevent/dev.h> #include <sys/debug.h> + #include <sys/taskq.h> + #include <sys/taskq_impl.h> + #include <sys/mutex.h> + #include <sys/proc.h> + #include <sys/condvar.h> + #include <sys/cmn_err.h> + #include <sys/kmem.h> + #include <sys/systm.h> + #include <sys/random.h> + #include <sys/buf.h> + #include <sys/sid.h> + #include <sys/acl.h> + #include <sys/bitmap.h> + #include <sys/systeminfo.h> + #include <sys/cpuvar.h> + #include <sys/pset.h> + #include <sys/kobj.h> + #include <sys/fm/util.h> #include "zfs.h" /* * ZFS debugging */ #ifdef ZFS_DEBUG extern void dprintf_setup(int *argc, char **argv); #endif /* ZFS_DEBUG */ /* * DTrace SDT probes have different signatures in userland than they do in * the kernel. If they're being used in kernel code, re-define them out of * existence for their counterparts in libzpool. *
*** 172,409 **** #define SET_ERROR(err) (ZFS_SET_ERROR(err), err) /* * Threads */ - #define curthread ((void *)(uintptr_t)thr_self()) - #define kpreempt(x) yield() - - typedef struct kthread kthread_t; - - #define thread_create(stk, stksize, func, arg, len, pp, state, pri) \ - zk_thread_create(func, arg, len) - #define thread_exit() thr_exit(NULL) - #define thread_join(t) panic("libzpool cannot join threads") - #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) - /* in libzpool, p0 exists only to have its address taken */ - struct proc { - uintptr_t this_is_never_used_dont_dereference_it; - }; - - extern struct proc p0; - #define curproc (&p0) - - #define PS_NONE -1 - - extern kthread_t *zk_thread_create(void (*func)(void*), void *arg, - uint64_t len); - - #define issig(why) (FALSE) - #define ISSIG(thr, why) (FALSE) - /* ! * Mutexes */ - typedef struct kmutex { - void *m_owner; - boolean_t initialized; - mutex_t m_lock; - } kmutex_t; - - #define MUTEX_DEFAULT USYNC_THREAD - #undef MUTEX_HELD - #undef MUTEX_NOT_HELD - #define MUTEX_HELD(m) _mutex_held(&(m)->m_lock) - #define MUTEX_NOT_HELD(m) (!MUTEX_HELD(m)) - - /* - * Argh -- we have to get cheesy here because the kernel and userland - * have different signatures for the same routine. - */ - extern int _mutex_init(mutex_t *mp, int type, void *arg); - extern int _mutex_destroy(mutex_t *mp); - - #define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp)) - #define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp)) - #define mutex_enter(mp) zmutex_enter(mp) - #define mutex_exit(mp) zmutex_exit(mp) - - extern void zmutex_init(kmutex_t *mp); - extern void zmutex_destroy(kmutex_t *mp); - extern void zmutex_enter(kmutex_t *mp); - extern void zmutex_exit(kmutex_t *mp); - extern int mutex_tryenter(kmutex_t *mp); - extern void *mutex_owner(kmutex_t *mp); - - /* - * RW locks - */ - typedef struct krwlock { - void *rw_owner; - boolean_t initialized; - rwlock_t rw_lock; - } krwlock_t; - - typedef int krw_t; - - #define RW_READER 0 - #define RW_WRITER 1 - #define RW_DEFAULT USYNC_THREAD - - #undef RW_READ_HELD - #define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock) - - #undef RW_WRITE_HELD - #define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock) - - #undef RW_LOCK_HELD - #define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x)) - - extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg); - extern void rw_destroy(krwlock_t *rwlp); - extern void rw_enter(krwlock_t *rwlp, krw_t rw); - extern int rw_tryenter(krwlock_t *rwlp, krw_t rw); - extern int rw_tryupgrade(krwlock_t *rwlp); - extern void rw_exit(krwlock_t *rwlp); - #define rw_downgrade(rwlp) do { } while (0) - - extern uid_t crgetuid(cred_t *cr); - extern uid_t crgetruid(cred_t *cr); - extern gid_t crgetgid(cred_t *cr); - extern int crgetngroups(cred_t *cr); - extern gid_t *crgetgroups(cred_t *cr); - - /* - * Condition variables - */ - typedef cond_t kcondvar_t; - - #define CV_DEFAULT USYNC_THREAD - #define CALLOUT_FLAG_ABSOLUTE 0x2 - - extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg); - extern void cv_destroy(kcondvar_t *cv); - extern void cv_wait(kcondvar_t *cv, kmutex_t *mp); - extern clock_t cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime); - extern clock_t cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, - hrtime_t res, int flag); - extern void cv_signal(kcondvar_t *cv); - extern void cv_broadcast(kcondvar_t *cv); - - /* - * Thread-specific data - */ - #define tsd_get(k) pthread_getspecific(k) - #define tsd_set(k, v) pthread_setspecific(k, v) - #define tsd_create(kp, d) pthread_key_create(kp, d) - #define tsd_destroy(kp) /* nothing */ - - /* - * kstat creation, installation and deletion - */ - extern kstat_t *kstat_create(const char *, int, - const char *, const char *, uchar_t, ulong_t, uchar_t); - extern void kstat_named_init(kstat_named_t *, const char *, uchar_t); - extern void kstat_install(kstat_t *); - extern void kstat_delete(kstat_t *); - extern void kstat_waitq_enter(kstat_io_t *); - extern void kstat_waitq_exit(kstat_io_t *); - extern void kstat_runq_enter(kstat_io_t *); - extern void kstat_runq_exit(kstat_io_t *); - extern void kstat_waitq_to_runq(kstat_io_t *); - extern void kstat_runq_back_to_waitq(kstat_io_t *); - - /* - * Kernel memory - */ - #define KM_SLEEP UMEM_NOFAIL - #define KM_PUSHPAGE KM_SLEEP - #define KM_NOSLEEP UMEM_DEFAULT - #define KM_NORMALPRI 0 /* not needed with UMEM_DEFAULT */ - #define KMC_NODEBUG UMC_NODEBUG - #define KMC_NOTOUCH 0 /* not needed for userland caches */ - #define kmem_alloc(_s, _f) umem_alloc(_s, _f) - #define kmem_zalloc(_s, _f) umem_zalloc(_s, _f) - #define kmem_free(_b, _s) umem_free(_b, _s) - #define kmem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) \ - umem_cache_create(_a, _b, _c, _d, _e, _f, _g, _h, _i) - #define kmem_cache_destroy(_c) umem_cache_destroy(_c) - #define kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f) - #define kmem_cache_free(_c, _b) umem_cache_free(_c, _b) - #define kmem_debugging() 0 - #define kmem_cache_reap_now(_c) /* nothing */ - #define kmem_cache_set_move(_c, _cb) /* nothing */ - #define vmem_qcache_reap(_v) /* nothing */ - #define POINTER_INVALIDATE(_pp) /* nothing */ - #define POINTER_IS_VALID(_p) 0 - - extern vmem_t *zio_arena; - - typedef umem_cache_t kmem_cache_t; - - typedef enum kmem_cbrc { - KMEM_CBRC_YES, - KMEM_CBRC_NO, - KMEM_CBRC_LATER, - KMEM_CBRC_DONT_NEED, - KMEM_CBRC_DONT_KNOW - } kmem_cbrc_t; - - /* - * Task queues - */ - typedef struct taskq taskq_t; - typedef uintptr_t taskqid_t; - typedef void (task_func_t)(void *); - - typedef struct taskq_ent { - struct taskq_ent *tqent_next; - struct taskq_ent *tqent_prev; - task_func_t *tqent_func; - void *tqent_arg; - uintptr_t tqent_flags; - } taskq_ent_t; - - #define TQENT_FLAG_PREALLOC 0x1 /* taskq_dispatch_ent used */ - - #define TASKQ_PREPOPULATE 0x0001 - #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ - #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ - #define TASKQ_THREADS_CPU_PCT 0x0008 /* Scale # threads by # cpus */ - #define TASKQ_DC_BATCH 0x0010 /* Mark threads as batch */ - - #define TQ_SLEEP KM_SLEEP /* Can block for memory */ - #define TQ_NOSLEEP KM_NOSLEEP /* cannot block for memory; may fail */ - #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ - #define TQ_FRONT 0x08 /* Queue in front */ - - - extern taskq_t *system_taskq; - - extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); - #define taskq_create_proc(a, b, c, d, e, p, f) \ - (taskq_create(a, b, c, d, e, f)) - #define taskq_create_sysdc(a, b, d, e, p, dc, f) \ - (taskq_create(a, b, maxclsyspri, d, e, f)) - extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); - extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, - taskq_ent_t *); - extern void taskq_destroy(taskq_t *); - extern void taskq_wait(taskq_t *); - extern int taskq_member(taskq_t *, void *); - extern void system_taskq_init(void); - extern void system_taskq_fini(void); - #define XVA_MAPSIZE 3 #define XVA_MAGIC 0x78766174 - /* - * vnodes - */ typedef struct vnode { uint64_t v_size; int v_fd; char *v_path; int v_dump_fd; --- 162,180 ---- #define SET_ERROR(err) (ZFS_SET_ERROR(err), err) /* * Threads */ #define kpreempt(x) yield() #define newproc(f, a, cid, pri, ctp, pid) (ENOSYS) /* ! * vnodes */ #define XVA_MAPSIZE 3 #define XVA_MAGIC 0x78766174 typedef struct vnode { uint64_t v_size; int v_fd; char *v_path; int v_dump_fd;
*** 499,552 **** #define vn_is_readonly(vp) B_FALSE extern vnode_t *rootdir; #include <sys/file.h> /* for FREAD, FWRITE, etc */ /* * Random stuff */ - #define ddi_get_lbolt() (gethrtime() >> 23) - #define ddi_get_lbolt64() (gethrtime() >> 23) - #define hz 119 /* frequency when using gethrtime() >> 23 for lbolt */ - - extern void delay(clock_t ticks); - - #define SEC_TO_TICK(sec) ((sec) * hz) - #define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz)) - - #define gethrestime_sec() time(NULL) - #define gethrestime(t) \ - do {\ - (t)->tv_sec = gethrestime_sec();\ - (t)->tv_nsec = 0;\ - } while (0); - #define max_ncpus 64 #define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN)) #define minclsyspri 60 #define maxclsyspri 99 #define CPU_SEQID (thr_self() & (max_ncpus - 1)) - #define kcred NULL - #define CRED() NULL - - #define ptob(x) ((x) * PAGESIZE) - - extern uint64_t physmem; - - extern int highbit64(uint64_t i); - extern int random_get_bytes(uint8_t *ptr, size_t len); - extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len); - extern void kernel_init(int); extern void kernel_fini(void); struct spa; - extern void nicenum(uint64_t num, char *buf, size_t); extern void show_pool_stats(struct spa *); extern int set_global_var(char *arg); typedef struct callb_cpr { kmutex_t *cc_lockp; --- 270,298 ---- #define vn_is_readonly(vp) B_FALSE extern vnode_t *rootdir; #include <sys/file.h> /* for FREAD, FWRITE, etc */ + #include <sys/sunddi.h> /* for ddi_strtoul, ddi_strtoull, etc */ + #include <sys/cyclic.h> /* for cyclic_add, cyclic remove, etc */ + #include <vm/seg_kmem.h> /* for zio_arena */ /* * Random stuff */ #define max_ncpus 64 #define boot_ncpus (sysconf(_SC_NPROCESSORS_ONLN)) #define minclsyspri 60 #define maxclsyspri 99 #define CPU_SEQID (thr_self() & (max_ncpus - 1)) extern void kernel_init(int); extern void kernel_fini(void); struct spa; extern void show_pool_stats(struct spa *); extern int set_global_var(char *arg); typedef struct callb_cpr { kmutex_t *cc_lockp;
*** 570,700 **** } #define zone_dataset_visible(x, y) (1) #define INGLOBALZONE(z) (1) - extern char *kmem_asprintf(const char *fmt, ...); - #define strfree(str) kmem_free((str), strlen(str) + 1) - - /* - * Hostname information - */ - extern char hw_serial[]; /* for userland-emulated hostid access */ - extern int ddi_strtoul(const char *str, char **nptr, int base, - unsigned long *result); - - extern int ddi_strtoull(const char *str, char **nptr, int base, - u_longlong_t *result); - - /* ZFS Boot Related stuff. */ - - struct _buf { - intptr_t _fd; - }; - - struct bootstat { - uint64_t st_size; - }; - - typedef struct ace_object { - uid_t a_who; - uint32_t a_access_mask; - uint16_t a_flags; - uint16_t a_type; - uint8_t a_obj_type[16]; - uint8_t a_inherit_obj_type[16]; - } ace_object_t; - - - #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05 - #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE 0x06 - #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07 - #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08 - - extern struct _buf *kobj_open_file(char *name); - extern int kobj_read_file(struct _buf *file, char *buf, unsigned size, - unsigned off); - extern void kobj_close_file(struct _buf *file); - extern int kobj_get_filesize(struct _buf *file, uint64_t *size); extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr); extern int zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr); extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr); - extern zoneid_t getzoneid(void); - /* SID stuff */ - typedef struct ksiddomain { - uint_t kd_ref; - uint_t kd_len; - char *kd_name; - } ksiddomain_t; - - ksiddomain_t *ksid_lookupdomain(const char *); - void ksiddomain_rele(ksiddomain_t *); - - #define DDI_SLEEP KM_SLEEP #define ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \ sysevent_post_event(_c, _d, _b, "libzpool", _e, _f) - /* - * Cyclic information - */ - extern kmutex_t cpu_lock; - - typedef uintptr_t cyclic_id_t; - typedef uint16_t cyc_level_t; - typedef void (*cyc_func_t)(void *); - - #define CY_LOW_LEVEL 0 - #define CY_INFINITY INT64_MAX - #define CYCLIC_NONE ((cyclic_id_t)0) - - typedef struct cyc_time { - hrtime_t cyt_when; - hrtime_t cyt_interval; - } cyc_time_t; - - typedef struct cyc_handler { - cyc_func_t cyh_func; - void *cyh_arg; - cyc_level_t cyh_level; - } cyc_handler_t; - - extern cyclic_id_t cyclic_add(cyc_handler_t *, cyc_time_t *); - extern void cyclic_remove(cyclic_id_t); - extern int cyclic_reprogram(cyclic_id_t, hrtime_t); - - /* - * Buf structure - */ - #define B_BUSY 0x0001 - #define B_DONE 0x0002 - #define B_ERROR 0x0004 - #define B_READ 0x0040 /* read when I/O occurs */ - #define B_WRITE 0x0100 /* non-read pseudo-flag */ - - typedef struct buf { - int b_flags; - size_t b_bcount; - union { - caddr_t b_addr; - } b_un; - - lldaddr_t _b_blkno; - #define b_lblkno _b_blkno._f - size_t b_resid; - size_t b_bufsize; - int (*b_iodone)(struct buf *); - int b_error; - void *b_private; - } buf_t; - - extern void bioinit(buf_t *); - extern void biodone(buf_t *); - extern void bioerror(buf_t *, int); - extern int geterror(buf_t *); - #ifdef __cplusplus } #endif #endif /* _SYS_ZFS_CONTEXT_H */ --- 316,333 ----