MS_SYNCHRONOUS
#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\
if (flags & MS_SYNCHRONOUS)
#ifndef MS_SYNCHRONOUS
if (flags & MS_SYNCHRONOUS)
#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\
#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\
mnt_flags |= MS_SYNCHRONOUS;
mnt_flags |= MS_SYNCHRONOUS;