Symbol: _PC_SYNC_IO
sys/vfs/ext2fs/ext2_vnops.c
1631
case _PC_SYNC_IO:
sys/vfs/hpfs/hpfs_vnops.c
1144
case _PC_SYNC_IO:
sys/vfs/tmpfs/tmpfs_vnops.c
1975
case _PC_SYNC_IO: