IOCB_SYNC
(IOCB_NOWAIT | IOCB_HIPRI | IOCB_DSYNC | IOCB_SYNC | IOCB_APPEND)
if (iocb->ki_flags & IOCB_SYNC)
if (!(iocb->ki_flags & IOCB_SYNC))
if (unlikely(iocb->ki_flags & (IOCB_DSYNC | IOCB_SYNC))
iocb->kiocb.ki_flags |= IOCB_DSYNC|IOCB_SYNC;
iocb->kiocb.ki_flags &= ~(IOCB_DSYNC | IOCB_SYNC | IOCB_DIRECT);
iocb->kiocb.ki_flags |= IOCB_DSYNC|IOCB_SYNC;
kiocb.ki_flags |= IOCB_DSYNC | IOCB_SYNC;
ifl &= ~(IOCB_DSYNC | IOCB_SYNC);
(iocb->ki_flags & IOCB_SYNC) ? 0 : 1);
res |= IOCB_SYNC;
{ IOCB_SYNC, "SYNC" }, \