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6413c95fbd
Commit torvalds/linux@95582b0 changes the inode i_atime, i_mtime, and i_ctime members form timespec's to timespec64's to make them 2038 safe. As part of this change the current_time() function was also updated to return the timespec64 type. Resolve this issue by introducing a new inode_timespec_t type which is defined to match the timespec type used by the inode. It should be used when working with inode timestamps to ensure matching types. The timestruc_t type under Illumos was used in a similar fashion but was specified to always be a timespec_t. Rather than incorrectly define this type all timespec_t types have been replaced by the new inode_timespec_t type. Finally, the kernel and user space 'sys/time.h' headers were aligned with each other. They define as appropriate for the context several constants as macros and include static inline implementation of gethrestime(), gethrestime_sec(), and gethrtime(). Reviewed-by: Chunwei Chen <tuxoko@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #7643
82 lines
3.1 KiB
C
82 lines
3.1 KiB
C
/*
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SPL_CONDVAR_H
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#define _SPL_CONDVAR_H
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#include <linux/module.h>
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#include <sys/kmem.h>
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#include <sys/mutex.h>
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#include <sys/callo.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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/*
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* The kcondvar_t struct is protected by mutex taken externally before
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* calling any of the wait/signal funs, and passed into the wait funs.
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*/
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#define CV_MAGIC 0x346545f4
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#define CV_DESTROY 0x346545f5
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typedef struct {
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int cv_magic;
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spl_wait_queue_head_t cv_event;
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spl_wait_queue_head_t cv_destroy;
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atomic_t cv_refs;
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atomic_t cv_waiters;
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kmutex_t *cv_mutex;
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} kcondvar_t;
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typedef enum { CV_DEFAULT = 0, CV_DRIVER } kcv_type_t;
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extern void __cv_init(kcondvar_t *, char *, kcv_type_t, void *);
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extern void __cv_destroy(kcondvar_t *);
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extern void __cv_wait(kcondvar_t *, kmutex_t *);
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extern void __cv_wait_io(kcondvar_t *, kmutex_t *);
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extern void __cv_wait_sig(kcondvar_t *, kmutex_t *);
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extern clock_t __cv_timedwait(kcondvar_t *, kmutex_t *, clock_t);
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extern clock_t __cv_timedwait_io(kcondvar_t *, kmutex_t *, clock_t);
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extern clock_t __cv_timedwait_sig(kcondvar_t *, kmutex_t *, clock_t);
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extern clock_t cv_timedwait_hires(kcondvar_t *, kmutex_t *, hrtime_t,
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hrtime_t res, int flag);
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extern clock_t cv_timedwait_sig_hires(kcondvar_t *, kmutex_t *, hrtime_t,
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hrtime_t res, int flag);
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extern void __cv_signal(kcondvar_t *);
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extern void __cv_broadcast(kcondvar_t *c);
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#define cv_init(cvp, name, type, arg) __cv_init(cvp, name, type, arg)
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#define cv_destroy(cvp) __cv_destroy(cvp)
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#define cv_wait(cvp, mp) __cv_wait(cvp, mp)
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#define cv_wait_io(cvp, mp) __cv_wait_io(cvp, mp)
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#define cv_wait_sig(cvp, mp) __cv_wait_sig(cvp, mp)
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#define cv_wait_interruptible(cvp, mp) cv_wait_sig(cvp, mp)
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#define cv_timedwait(cvp, mp, t) __cv_timedwait(cvp, mp, t)
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#define cv_timedwait_io(cvp, mp, t) __cv_timedwait_io(cvp, mp, t)
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#define cv_timedwait_sig(cvp, mp, t) __cv_timedwait_sig(cvp, mp, t)
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#define cv_timedwait_interruptible(cvp, mp, t) cv_timedwait_sig(cvp, mp, t)
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#define cv_signal(cvp) __cv_signal(cvp)
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#define cv_broadcast(cvp) __cv_broadcast(cvp)
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#endif /* _SPL_CONDVAR_H */
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