MNT_ASYNC - Haiku

Symbol: MNT_ASYNC

src/add-ons/kernel/file_systems/fat/bsd/sys/vnode.h

#define DOINGASYNC(vp) (((vp)->v_mount->mnt_flag & MNT_ASYNC) != 0)

src/add-ons/kernel/file_systems/fat/kernel_interface.cpp

bsdVolume->mnt_flag |= MNT_ASYNC;