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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-184/include/linux/ |
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#ifndef BLK_IOPOLL_H
#define BLK_IOPOLL_H
struct blk_iopoll;
typedef int (blk_iopoll_fn)(struct blk_iopoll *, int);
struct blk_iopoll {
struct list_head list;
unsigned long state;
unsigned long data;
int weight;
int max;
blk_iopoll_fn *poll;
};
enum {
IOPOLL_F_SCHED = 0,
IOPOLL_F_DISABLE = 1,
};
/*
* Returns 0 if we successfully set the IOPOLL_F_SCHED bit, indicating
* that we were the first to acquire this iop for scheduling. If this iop
* is currently disabled, return "failure".
*/
static inline int blk_iopoll_sched_prep(struct blk_iopoll *iop)
{
if (!test_bit(IOPOLL_F_DISABLE, &iop->state))
return test_and_set_bit(IOPOLL_F_SCHED, &iop->state);
return 1;
}
static inline int blk_iopoll_disable_pending(struct blk_iopoll *iop)
{
return test_bit(IOPOLL_F_DISABLE, &iop->state);
}
extern void blk_iopoll_sched(struct blk_iopoll *);
extern void blk_iopoll_init(struct blk_iopoll *, int, blk_iopoll_fn *);
extern void blk_iopoll_complete(struct blk_iopoll *);
extern void __blk_iopoll_complete(struct blk_iopoll *);
extern void blk_iopoll_enable(struct blk_iopoll *);
extern void blk_iopoll_disable(struct blk_iopoll *);
#endif