vfs_unmount        93 isofs/udf/udf_vfsops.c 	.vfs_unmount =		udf_unmount,
vfs_unmount       475 sys/mount.h    	int	(*vfs_unmount)(struct mount *mp, int mntflags,
vfs_unmount       499 sys/mount.h    #define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P)