HelenOS sources

vfs_op_mount      212 uspace/srv/vfs/vfs.h extern errno_t vfs_op_mount(int mpfd, unsigned servid, unsigned flags, unsigned instance, const char *opts, const char *fsname, int *outfd);
vfs_op_mount      151 uspace/srv/vfs/vfs_ipc.c 	rc = vfs_op_mount(mpfd, service_id, flags, instance, opts, fs_name,